| Name |
Pathogen(s)/
Syndrome(s) |
Geographic Coverage | Geographic Levels | Temporal Scope Start | Temporal Scope End | Temporal Granularity | Reporting Cadence | Reporting Lag(nominal) | Revision Cadence | Population | Population Stratifiers | Surveillance Categories | Original Data Provider | Pre-processing | Censoring | Missingness | Hosted by Delphi? | DUA required? | Data Use Terms | Documentation | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| COVID-19 Hospital Admissions from Claims | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | Ongoing | Daily | Daily | 3-4 days | Daily | All | None | Hospitalized | Health system partners | time-smoothing by Delphi, with and without day-of-week adjustment by Delphi | Discarded if over a given 7-day period an estimate is computed with 500 or fewer observations | Data is available for about 35% of counties Data is available for all states. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/hospital-admissions.html | |
| COVID-Related Doctor Visits | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | Ongoing | Daily | Daily | 3-6 days | Daily | All | None | Outpatient / ED | Health system partners | Time-smoothing using a Gaussian linear smoother by Delphi. Day-of-week adjustment by Delphi. Geo-aggregation by Delphi. | Discarded if over a given 7-day period an estimate is computed with 500 or fewer observations | Data is available for about 80% of counties Data is available for all states and some territories. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/doctor-visits.html | |
| Google Symptoms Searches | COVID-19 H5N1 ILI influenza RSV | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-13 with some variation by geography | Ongoing | Daily | Daily | 4-7 days | None | All | None | Symptomatic | with and without 7day smoothed by Delphi | Unavailable when daily volume in a region does not meet quality or privacy thresholds, as set by Google. Google also uses differential privacy, which adds artificial noise to the incoming data | Data is available for about 3-4% of counties. Data is available for about 85% of states. Signals associated with rarer symptoms (e.g. ageusia) will tend to have fewer locations available, due to upstream privacy censoring. Locations with lower populations will tend to be less available for the same reason | Yes | No | Google Terms of Service (https://policies.google.com/terms) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/google-symptoms.html | ||
| ILINet | ILI | United States | National U.S. HHS Region U.S. Census Region State/ADM 1 | 1997w40 | Ongoing | Weekly | Weekly during flu season (w40-w20) | 5 days | weekly | All | All; ages 0-4, 5-24, 25-64, 25-49, 50-64, 65+ | Outpatient / ED | US DHHS/CDC/other | Age breakdown is available only for the numerator (number of ILI-related office visits) | Yes | No | [Publicly Accessible US Government](https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/fluview.html | |||
| Influenza Hospital Admissions from Claims | influenza | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | Ongoing | Daily | Daily | 3-4 days | Daily | All | None | Hospitalized | Health system partners | time-smoothing by Delphi, with and without day-of-week adjustment by Delphi | Discarded if over a given 7-day period an estimate is computed with 500 or fewer observations | Data is available for about 35% of counties Data is available for all states. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/hospital-admissions.html | |
| NCHS All Cause Deaths | pathogen independent | United States | National State/ADM 1 | 2020w05 with some variation by geography | Ongoing | Weekly | Weekly | 11-17 days | Weekly | All | None | Deceased | US DHHS/CDC/NCHS | calculation of population rates by Delphi. | Unavailable by NCHS when counts are between 1 and 9, and for weeks where the counts are less than 50% of the expected number, since "these provisional counts are highly incomplete and potentially misleading" | Data is available for all states and some territories. | Yes | No | NCHS Data Use Agreement (https://www.cdc.gov/nchs/data_access/restrictions.htm) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nchs-mortality.html | |
| NCHS Confirmed or Presumed COVID-19 Deaths | COVID-19 | United States | National State/ADM 1 | 2020w05 with some variation by geography | Ongoing | Weekly | Weekly | 11-17 days | Weekly | All | None | Deceased | US DHHS/CDC/NCHS | calculation of population rates by Delphi. | Unavailable by NCHS when counts are between 1 and 9, and for weeks where the counts are less than 50% of the expected number, since "these provisional counts are highly incomplete and potentially misleading" | Data is available for all states and some territories. | Yes | No | NCHS Data Use Agreement (https://www.cdc.gov/nchs/data_access/restrictions.htm) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nchs-mortality.html | |
| NCHS Influenza Deaths | influenza | United States | National State/ADM 1 | 2020w05 with some variation by geography | Ongoing | Weekly | Weekly | 11-17 days | Weekly | All | None | Deceased | US DHHS/CDC/NCHS | calculation of population rates by Delphi. | Unavailable by NCHS when counts are between 1 and 9, and for weeks where the counts are less than 50% of the expected number, since "these provisional counts are highly incomplete and potentially misleading" | Data is available for all states and some territories. | Yes | No | NCHS Data Use Agreement (https://www.cdc.gov/nchs/data_access/restrictions.htm) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nchs-mortality.html | |
| NCHS Percentage of Expected Deaths | pathogen independent | United States | National State/ADM 1 | 2020w05 with some variation by geography | Ongoing | Weekly | Weekly | 11-17 days | Weekly | All | None | Deceased | US DHHS/CDC/NCHS | None | Unavailable by NCHS when counts are between 1 and 9, and for weeks where the counts are less than 50% of the expected number, since "these provisional counts are highly incomplete and potentially misleading" | Data is available for all states and some territories. | Yes | No | NCHS Data Use Agreement (https://www.cdc.gov/nchs/data_access/restrictions.htm) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nchs-mortality.html | |
| NCHS Pneumonia and COVID-19 excl. Influenza Deaths | COVID-19 pneumonia | United States | National State/ADM 1 | 2020w05 with some variation by geography | Ongoing | Weekly | Weekly | 11-17 days | Weekly | All | None | Deceased | US DHHS/CDC/NCHS | calculation of population rates by Delphi. | Unavailable by NCHS when counts are between 1 and 9, and for weeks where the counts are less than 50% of the expected number, since "these provisional counts are highly incomplete and potentially misleading" | Data is available for all states and some territories. | Yes | No | NCHS Data Use Agreement (https://www.cdc.gov/nchs/data_access/restrictions.htm) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nchs-mortality.html | |
| NCHS Pneumonia excl. Influenza Deaths | pneumonia | United States | National State/ADM 1 | 2020w05 with some variation by geography | Ongoing | Weekly | Weekly | 11-17 days | Weekly | All | None | Deceased | US DHHS/CDC/NCHS | calculation of population rates by Delphi. | Unavailable by NCHS when counts are between 1 and 9, and for weeks where the counts are less than 50% of the expected number, since "these provisional counts are highly incomplete and potentially misleading" | Data is available for all states and some territories. | Yes | No | NCHS Data Use Agreement (https://www.cdc.gov/nchs/data_access/restrictions.htm) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nchs-mortality.html | |
| NCHS Pneumonia, COVID-19 or Influenza Deaths | COVID-19 influenza pneumonia | United States | National State/ADM 1 | 2020w05 with some variation by geography | Ongoing | Weekly | Weekly | 11-17 days | Weekly | All | None | Deceased | US DHHS/CDC/NCHS | calculation of population rates by Delphi. | Unavailable by NCHS when counts are between 1 and 9, and for weeks where the counts are less than 50% of the expected number, since "these provisional counts are highly incomplete and potentially misleading" | Data is available for all states and some territories. | Yes | No | NCHS Data Use Agreement (https://www.cdc.gov/nchs/data_access/restrictions.htm) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nchs-mortality.html | |
| NHSN COVID-19 hospital admissions | COVID-19 | United States | National U.S. HHS Region State/ADM 1 | 2020-08-08 | Ongoing | Weekly | Weekly | 4-7 days | All | none | Hospitalized | US DHHS/CDC/NHSN | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nhsn.html | |||||
| NHSN flu hospital admissions | influenza | United States | National U.S. HHS Region State/ADM 1 | 2020-08-08 | Ongoing | Weekly | Weekly | 4-7 days | All | none | Hospitalized | US DHHS/CDC/NHSN | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nhsn.html | |||||
| NHSN RSV hospital admissions | RSV | United States | National U.S. HHS Region State/ADM 1 | 2020-08-08 | Ongoing | Weekly | Weekly | 4-7 days | All | none | Hospitalized | US DHHS/CDC/NHSN | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nhsn.html | |||||
| NSSP COVID-19 Emergency Department Visits | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Health Service Area (HSA-NCI) Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states except SD and MO, and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html | |
| NSSP Emergency Department Visits for COVID-19, Influenza, and RSV Combined | COVID-19 influenza RSV | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Health Service Area (HSA-NCI) Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html | |
| NSSP Influenza Emergency Department Visits | influenza | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Health Service Area (HSA-NCI) Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html | |
| NSSP RSV Emergency Department Visits | RSV | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Health Service Area (HSA-NCI) Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html | |
| SE Michigan Wastewater Sampling | adenovirus COVID-19 influenza mpox norovirus rotavirus RSV | Southeast Michigan | Other Substate Region | Ongoing | Daily | Weekly | Varies based on pathogen. 3-7 days | None | All | None | Entire Population | University of Michigan | n/a | None | Varies based on pathogen. Missing data points have no rows. True zeros will have a row. | No | No | Contact micom-info@umich.edu | |||
| Alaska All Acute Respiratory % ED Visits | all acute respiratory | Alaska | State/ADM 1 | 09/24/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| Alaska CLI % ED Visits | covid-like illness | Alaska | State/ADM 1 | 09/24/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| Alaska COVID # Cases | COVID-19 | Alaska | Other Subnational Region State/ADM 1 | 10/04/2021 | ongoing | Weekly | Weekly | All | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| Alaska Flu # Cases | influenza | Alaska | Other Subnational Region State/ADM 1 | 10/04/2021 | ongoing | Weekly | Weekly | All | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| Alaska Flu # Cases by Flu Type | influenza | Alaska | State/ADM 1 | 11/02/2024 | ongoing | Weekly | Weekly | All | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| Alaska ILI % ED Visits | ILI | Alaska | State/ADM 1 | 09/24/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| Alaska RSV # Cases | RSV | Alaska | Other Subnational Region State/ADM 1 | 10/04/2021 | ongoing | Weekly | Weekly | All | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| Alaska RSV-like % ED Visits | RSV-like illness | Alaska | State/ADM 1 | 09/24/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | None | State of Alaska Department of Health | No | None found | https://health.alaska.gov/en/resources/respiratory-virus-snapshot/ | ||||||||
| California COVID % ED Visits | COVID-19 | California | State/ADM 1 | 07/08/2023 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California COVID % Pediatric Deaths | COVID-19 | California | State/ADM 1 | 2023/2024 | ongoing | Annually | Weekly | Pediatric | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California COVID % Test Positivity | COVID-19 | California | State/ADM 1 Other Substate Region | July 2023 | ongoing | Weekly | Weekly | All | Age | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California COVID % Total Deaths | COVID-19 | California | State/ADM 1 | 7/5/2025 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California COVID Hospital Admissions per 100k pop | COVID-19 | California | State/ADM 1 Other Substate Region | 11/1/2024 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California Flu % ED Visits | influenza | California | State/ADM 1 | 07/08/2023 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California Flu % Pediatric Deaths | influenza | California | State/ADM 1 | 2023/2024 | ongoing | Annually | Weekly | Pediatric | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California Flu % Test Positivity | influenza | California | State/ADM 1 Other Substate Region | July 2023 | ongoing | Weekly | Weekly | All | Age | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California Flu % Total Deaths | influenza | California | State/ADM 1 | 7/5/2025 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California Flu Hospital Admissions per 100k pop | influenza | California | State/ADM 1 Other Substate Region | 11/1/2024 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California RSV % ED Visits | RSV | California | State/ADM 1 | 07/08/2023 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California RSV % Pediatric Deaths | RSV | California | State/ADM 1 | 2023/2024 | ongoing | Annually | Weekly | Pediatric | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California RSV % Test Positivity | RSV | California | State/ADM 1 Other Substate Region | July 2023 | ongoing | Weekly | Weekly | All | Age | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California RSV % Total Deaths | RSV | California | State/ADM 1 | 7/5/2025 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| California RSV Hospital Admissions per 100k pop | RSV | California | State/ADM 1 Other Substate Region | 11/1/2024 | ongoing | Weekly | Weekly | All | None | California Department of Public Health | No | None found | https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/RespiratoryVirusReport.aspx | ||||||||
| Florida COVID # Cases | COVID-19 | Florida | County/ADM 2 | 2/28/2020 | ongoing | Annually Weekly Monthly | Weekly | All | Ethnicity, Race, Age, Gender | Florida Department of Health | No | None found | https://www.flhealthcharts.gov/ChartsDashboards/rdPage.aspx?rdReport=Covid19.Dataviewer | ||||||||
| Florida COVID # Deaths | COVID-19 | Florida | County/ADM 2 | 2/28/2020 | ongoing | Annually Weekly Monthly | Weekly | All | Ethnicity, Race, Age, Gender | Florida Department of Health | No | None found | https://www.flhealthcharts.gov/ChartsDashboards/rdPage.aspx?rdReport=Covid19.Dataviewer | ||||||||
| Florida COVID # Vaccinated | COVID-19 | Florida | County/ADM 2 | 12/11/2020 | ongoing | Annually Weekly Monthly | Weekly | All | Ethnicity, Race, Age, Gender | Florida Department of Health | No | None found | https://www.flhealthcharts.gov/ChartsDashboards/rdPage.aspx?rdReport=Covid19.Dataviewer | ||||||||
| Florida Flu # Cases by Subtype | influenza | Florida | State/ADM 1 | 2022-2023 | ongoing | Annually | All | None | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | |||||||||
| Florida Flu # Specimens Tested | influenza | Florida | State/ADM 1 | 9/28/2025 | ongoing | Weekly | Weekly | All | None | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | ||||||||
| Florida Flu % ED Visits | influenza | Florida | State/ADM 1 Other Substate Region | 2022 epiweek 40 | ongoing | Weekly | Weekly | Patients at EDs participating in ESSENCE-FL | None | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | ||||||||
| Florida Flu % Positive Tests | influenza | Florida | State/ADM 1 | 9/28/2025 | ongoing | Weekly | Weekly | All | None | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | ||||||||
| Florida Flu % Type | influenza | Florida | State/ADM 1 | 10/2/2022 | ongoing | Other | All | None | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | |||||||||
| Florida ILI % ED Visits | ILI | Florida | State/ADM 1 | 2022 epiweek 40 | ongoing | Weekly | Weekly | Patients at EDs participating in ESSENCE-FL | None | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | ||||||||
| Florida ILI % ILINet Provider Visits | ILI | Florida | State/ADM 1 | 2022 epiweek 40 | ongoing | Weekly | Weekly | Patients at providers participating in ILINet | None | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | ||||||||
| Illinois Acute Respiratory Illness % ED Visits | acute respiratory illness | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Acute Respiratory Illness % Hospital Admissions | acute respiratory illness | Illinois | State/ADM 1 Other Substate Region | 10/8/2022 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Adenovirus % Test Positivity | adenovirus | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois COVID # ICU Admissions | COVID-19 | Illinois | State/ADM 1 | 5/18/2024 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois COVID # Outbreaks | COVID-19 | Illinois | State/ADM 1 Other Substate Region | 12/31/2023 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois COVID # Pediatric Deaths | COVID-19 | Illinois | State/ADM 1 | 9/28/2025 | ongoing | Annually | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois COVID # Total Deaths | COVID-19 | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois COVID % ED Visits | COVID-19 | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois COVID % Hospital Admissions | COVID-19 | Illinois | State/ADM 1 Other Substate Region | 10/8/2022 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois COVID % Test Positivity | COVID-19 | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Entero/Rhinovirus % Test Positivity | enterovirus rhinovirus | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Flu # ICU Admissions | influenza | Illinois | State/ADM 1 | 5/18/2024 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Flu # Outbreaks | influenza | Illinois | State/ADM 1 Other Substate Region | 12/31/2023 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Flu # Pediatric Deaths | influenza | Illinois | State/ADM 1 | 9/28/2025 | ongoing | Annually | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Flu # Total Deaths | influenza | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Flu % ED Visits | influenza | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Flu % Hospital Admissions | influenza | Illinois | State/ADM 1 Other Substate Region | 10/8/2022 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Flu % Test Positivity | influenza | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Human Metapneumovirus % Test Positivity | human metapneumovirus | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Mycoplasma % Test Positivity | mycoplasma | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Parainfluenza % Test Positivity | parainfluenza | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois Pneumonia # Total Deaths | pneumonia | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois RSV # ICU Admissions | RSV | Illinois | State/ADM 1 | 5/18/2024 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois RSV # Outbreaks | RSV | Illinois | State/ADM 1 Other Substate Region | 12/31/2023 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois RSV # Pediatric Deaths | RSV | Illinois | State/ADM 1 | 9/28/2025 | ongoing | Annually | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois RSV # Total Deaths | RSV | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois RSV % ED Visits | RSV | Illinois | State/ADM 1 | 10/7/2023 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois RSV % Hospital Admissions | RSV | Illinois | State/ADM 1 Other Substate Region | 10/8/2022 | ongoing | Weekly | Weekly | All | Age | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Illinois RSV % Test Positivity | RSV | Illinois | State/ADM 1 | 9/13/2025 | ongoing | Weekly | Weekly | All | None | Illinois Department of Public Health | No | None found | https://dph.illinois.gov/topics-services/diseases-and-conditions/respiratory-disease/surveillance/respiratory-disease-report.html | ||||||||
| Massachusetts Acute Respiratory Disease # ED Visits | acute respiratory disease | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts Acute Respiratory Disease # Hospital Admissions | acute respiratory disease | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts Acute Respiratory Disease % ED Visits | acute respiratory disease | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts Acute Respiratory Disease % Hospital Admissions | acute respiratory disease | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts COVID # ED Visits | COVID-19 | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts COVID # Hospital Admissions | COVID-19 | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts COVID % ED Visits | COVID-19 | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts COVID % Hospital Admissions | COVID-19 | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts Flu # ED Visits | influenza | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts Flu # Hospital Admissions | influenza | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts Flu % ED Visits | influenza | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts Flu % Hospital Admissions | influenza | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts RSV # ED Visits | RSV | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts RSV # Hospital Admissions | RSV | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts RSV % ED Visits | RSV | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Massachusetts RSV % Hospital Admissions | RSV | Massachusetts | State/ADM 1 County/ADM 2 | 7/3/2022 | ongoing | Weekly | Weekly | All | Age, Ethnicity, Race, Gender | Massachusetts Department of Public Health | No | None found | https://www.mass.gov/info-details/respiratory-illness-reporting | ||||||||
| Michigan COVID-19 Case-list | COVID-19 | Michigan | Lat/Long | Ongoing | Daily | Weekly | 1 day | Daily | All | Race, Ethnicity, Age, Gender | Ascertained (cases) | Michigan Department of Health & Human Services | n/a | None | Only if sites don't report | No | Yes | Contact micom-info@umich.edu | |||
| Michigan COVID-19 Hospitalizations and Admits | COVID-19 | Michigan | Hospital ("Facility") | Ongoing | Daily | Weekly | 1 day | None | All | Ages 0-4, 5-17, 18-49, 50-64, 65-74, 75+, unknown | Hospitalized | Michigan Department of Health & Human Services | n/a | None | Only if sites don't report | No | Yes | Contact micom-info@umich.edu | |||
| Michigan COVID-Like Illness Surveillance | COVID-19 | Michigan | State/ADM 1 Other Substate Region | Ongoing | Daily | Weekly | 1 day | Weekly | All | Ages 0-4, 5-17, 18-34, 35-49, 50-64, 65+ | Symptomatic | Michigan Department of Health & Human Services | Count values for visits and "positive" visits are pre-calculated into normalized proportions | None | Only if sites don't report | No | Yes | Contact micom-info@umich.edu | |||
| Michigan Influenza Hospitalizations and Admits | influenza | Michigan | Hospital ("Facility") | Ongoing | Daily | Weekly | 1 day | None | All | Ages 0-4, 5-17, 18-49, 50-64, 65-74, 75+, unknown | Hospitalized | Michigan Department of Health & Human Services | n/a | None | Only if sites don't report | No | Yes | Contact micom-info@umich.edu | |||
| Michigan Influenza-Like Illness Surveillance | ILI | Michigan | State/ADM 1 Other Substate Region | Ongoing | Daily | Weekly | 1 day | Weekly | All | Ages 0-4, 5-17, 18-34, 35-49, 50-64, 65+ | Symptomatic | Michigan Department of Health & Human Services | Count values for visits and "positive" visits are pre-calculated into normalized proportions | None | Only if sites don't report | No | Yes | Contact micom-info@umich.edu | |||
| New York State COVID # Cases Per 100k | COVID-19 | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 3/1/2020 | ongoing | Daily | Daily | All | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/positive-tests-over-time-region-and-county | ||||||||
| New York State COVID # Deaths in Health Care Facilities (Hospitals, Nursing Homes, and Adult Care Facilities) | COVID-19 | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 3/15/2020 | ongoing | Weekly | Weekly | Patients and residents at hospitals, nursing homes, and adult care facilities | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/fatalities-0 | ||||||||
| New York State COVID # ED Visits, 7dav | COVID-19 | New York State (not including NYC) | State/ADM 1 Other Substate Region | 5/13/2024 | ongoing | Daily | Daily | Patients at participating EDs | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/covid-19-emergency-department-syndromic-surveillance | ||||||||
| New York State COVID # Hospital Admissions | COVID-19 | New York State (including NYC) | State/ADM 1 Other Substate Region | 5/3/2020 | ongoing | Weekly | Weekly | All | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/daily-hospitalization-summary | ||||||||
| New York State COVID # Hospital Admissions per 100k pop | COVID-19 | New York State (including NYC) | State/ADM 1 Other Substate Region | 5/3/2020 | ongoing | Weekly | Weekly | All | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/daily-hospitalization-summary | ||||||||
| New York State COVID # Nursing Home and Adult Care Facility Resident Infections | COVID-19 | New York State (including NYC) | State/ADM 1 County/ADM 2 Hospital ("Facility") Other Substate Region | 4/2020 | ongoing | Weekly | Weekly | Residents at nursing homes and adult care facilities | None | New York State Department of Health | No | None found | https://health.data.ny.gov/Health/New-York-State-Statewide-Nursing-Home-and-Adult-Ca/w6ed-sctw/about_data | ||||||||
| New York State COVID # Nursing Home and Adult Care Facility Staff Infections | COVID-19 | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 4/2020 | ongoing | Weekly | Weekly | Staff at nursing homes and adult care facilities | None | New York State Department of Health | No | None found | https://health.data.ny.gov/Health/New-York-State-Statewide-Nursing-Home-and-Adult-Ca/w6ed-sctw/about_data | ||||||||
| New York State COVID # Positive Tests | COVID-19 | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 3/1/2020 | ongoing | Daily | Daily | All | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/positive-tests-over-time-region-and-county | ||||||||
| New York State COVID % ED Visits | COVID-19 | New York State (not including NYC) | State/ADM 1 Other Substate Region | 5/13/2024 | ongoing | Daily | Daily | Patients at participating EDs | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/covid-19-emergency-department-syndromic-surveillance | ||||||||
| New York State COVID % Test Positivity | COVID-19 | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 3/1/2020 | ongoing | Daily | Daily | All | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/positive-tests-over-time-region-and-county | ||||||||
| New York State Flu # Cases | influenza | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 10/1/2009 | ongoing | Weekly | Weekly | All | Age | New York State Department of Health | No | None found | https://nyshc.health.ny.gov/web/nyapd/new-york-state-flu-tracker | ||||||||
| New York State Flu # Cases per 100k | influenza | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 10/1/2009 | ongoing | Weekly | Weekly | All | Age | New York State Department of Health | No | None found | https://nyshc.health.ny.gov/web/nyapd/new-york-state-flu-tracker | ||||||||
| New York State Flu # Hospitalizations | influenza | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 10/1/2009 | ongoing | Weekly | Weekly | All | Age | New York State Department of Health | No | None found | https://nyshc.health.ny.gov/web/nyapd/new-york-state-flu-tracker | ||||||||
| New York State Flu # Hospitalizations per 100k | influenza | New York State (including NYC) | State/ADM 1 County/ADM 2 Other Substate Region | 10/1/2009 | ongoing | Weekly | Weekly | All | Age | New York State Department of Health | No | None found | https://nyshc.health.ny.gov/web/nyapd/new-york-state-flu-tracker | ||||||||
| Pennsylvania COVID # Hospital Admissions | COVID-19 | Pennsylvania | State/ADM 1 | 1/1/2025 | ongoing | Weekly | Weekly | All | Age | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania COVID % Deaths | COVID-19 | Pennsylvania | State/ADM 1 | 10/3/2020 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania COVID % ED Visits | COVID-19 | Pennsylvania | State/ADM 1 Other Substate Region | 9/28/2024 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania COVID Wastewater Level | COVID-19 | Pennsylvania | State/ADM 1 | 4/30/2022 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania Flu # Hospital Admissions | influenza | Pennsylvania | State/ADM 1 | 1/1/2025 | ongoing | Weekly | Weekly | All | Age | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania Flu % Deaths | influenza | Pennsylvania | State/ADM 1 | 10/3/2020 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania Flu % ED Visits | influenza | Pennsylvania | State/ADM 1 Other Substate Region | 9/28/2024 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania Flu A # Cases | influenza | Pennsylvania | State/ADM 1 Other Substate Region | 2019 epiweek 1 | ongoing | Weekly | Weekly | All | Age | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania Flu B # Cases | influenza | Pennsylvania | State/ADM 1 Other Substate Region | 2019 epiweek 1 | ongoing | Weekly | Weekly | All | Age | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania Flu Wastewater Level | influenza | Pennsylvania | State/ADM 1 | 8/6/2022 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania Respiratory Symptoms % ED Visits | respiratory symptoms | Pennsylvania | State/ADM 1 Other Substate Region | 9/28/2024 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania RSV # Cases | RSV | Pennsylvania | State/ADM 1 Other Substate Region | 2019 epiweek 1 | ongoing | Weekly | Weekly | All | Age | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania RSV # Hospital Admissions | RSV | Pennsylvania | State/ADM 1 | 1/1/2025 | ongoing | Weekly | Weekly | All | Age | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| Pennsylvania RSV % ED Visits | RSV | Pennsylvania | State/ADM 1 Other Substate Region | 9/28/2024 | ongoing | Weekly | Weekly | All | None | Pennsylvania Department of Health | No | None found | https://www.pa.gov/agencies/health/diseases-conditions/infectious-disease/respiratory-viruses/respiratory-virus-dashboard | ||||||||
| QuidelOrtho COVID-19 lab tests | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-05-26 | Ongoing | Daily | Daily | 5-7 days | Daily | All | ages 0-4, 5-17, 0-17, 18-49, 50-64, 65+ | Ascertained (Case) | QuidelOrtho Corp. | With and without temporal and geographic smoothing by Delphi. Geo-aggregation by Delphi. | Not reported if based on fewer than 30 tests. If total number of tests `n` was between 30 and 50, `50 - n` fake samples equal to the state mean were included in the estimate. | Yes | Yes | Permission by QuidelOrtho | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/quidel.html | ||
| Texas % Hospital Bed Capacity | pathogen independent | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-hospitalization-data-for-covid19-influenza-rsv | ||||||||
| Texas % ICU Bed Capacity | pathogen independent | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-hospitalization-data-for-covid19-influenza-rsv | ||||||||
| Texas COVID # ED Visits | COVID-19 | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | Age | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-emergency-department-visits-for-respiratory-illnesses | ||||||||
| Texas COVID # Hospital Admissions per 100k | COVID-19 | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-hospitalization-data-for-covid19-influenza-rsv | ||||||||
| Texas COVID % ED Visits | COVID-19 | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | Age | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-emergency-department-visits-for-respiratory-illnesses | ||||||||
| Texas COVID % Total Deaths | COVID-19 | Texas | State/ADM 1 | 1/2/2021 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/viral-respiratory-deaths | ||||||||
| Texas Flu # ED Visits | influenza | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | Age | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-emergency-department-visits-for-respiratory-illnesses | ||||||||
| Texas Flu # Hospital Admissions per 100k | influenza | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-hospitalization-data-for-covid19-influenza-rsv | ||||||||
| Texas Flu % ED Visits | influenza | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | Age | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-emergency-department-visits-for-respiratory-illnesses | ||||||||
| Texas Flu % Total Deaths | influenza | Texas | State/ADM 1 | 1/2/2021 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/viral-respiratory-deaths | ||||||||
| Texas RSV # ED Visits | RSV | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | Age | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-emergency-department-visits-for-respiratory-illnesses | ||||||||
| Texas RSV # Hospital Admissions per 100k | RSV | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-hospitalization-data-for-covid19-influenza-rsv | ||||||||
| Texas RSV % ED Visits | RSV | Texas | State/ADM 1 Other Substate Region | 11/2/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | Age | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/texas-statewide-emergency-department-visits-for-respiratory-illnesses | ||||||||
| Texas RSV % Total Deaths | RSV | Texas | State/ADM 1 | 1/2/2021 | ongoing | Weekly | Weekly | All | None | Texas Department of State Health Services | No | None found | https://texas-respiratory-illness-dashboard-txdshsea.hub.arcgis.com/pages/viral-respiratory-deaths | ||||||||
| Vermont COVID # ED Visits 7-day average | COVID-19 | Vermont | State/ADM 1 | 2/1/2023 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont COVID # Outbreaks | COVID-19 | Vermont | State/ADM 1 County/ADM 2 | 1/8/2025 | ongoing | Weekly | Weekly | All | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont COVID Variant Proportions | COVID-19 | Vermont | State/ADM 1 | 06/08/2025 | ongoing | Other | Weekly | All | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont COVID Wastewater Concentration | COVID-19 | Vermont | Other Substate Region | 10/2024 | ongoing | Weekly | Districts participate in WastewaterSCAN | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | |||||||||
| Vermont Flu # of Positive Tests by Subtype | influenza | Vermont | State/ADM 1 | 9/28/2025 | ongoing | Weekly | Weekly | Specimens at participating labs | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont Flu % Test Positivity | influenza | Vermont | State/ADM 1 | 9/28/2025 | ongoing | Weekly | Weekly | Specimens at participating labs | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont Flu % Test Positivity by Type | influenza | Vermont | State/ADM 1 | 9/28/2025 | ongoing | Weekly | Weekly | Specimens at participating labs | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont Flu and ILI # of Outbreaks | ILI influenza | Vermont | State/ADM 1 County/ADM 2 | 9/28/2025 | ongoing | Weekly | Weekly | All | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont Flu and ILI % ED and Urgent Care Visits | ILI influenza | Vermont | State/ADM 1 | 9/29/2024 | ongoing | Weekly | Weekly | Patients at EDs participating in syndromic surveillance program | None | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Vermont ILI % Outpatient Visits (ILINet Participating Providers) | ILI | Vermont | State/ADM 1 | 9/28/2025 | ongoing | Weekly | Weekly | Patients at providers participating in ILINet | Age | Vermont Department of Health | No | None found | https://www.healthvermont.gov/disease-control/respiratory-illnesses/respiratory-illness-activity-vermont | ||||||||
| Change Healthcare COVID-Confirmed Doctor Visits | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | 2024-02-19 | Daily | Daily | 4-5 days | Daily | All | None | Outpatient / ED | Change Healthcare | Time-smoothing using a Gaussian linear smoother by Delphi. Day-of-week adjustment by Delphi. Geo-aggregation by Delphi. | Discarded if over a given 7-day period an estimate is computed with 100 or fewer observations | Data is available for nearly all (99%) of counties. Data is available for all states and some territories. | Yes | No | CC BY-NC | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/chng.html | |
| Change Healthcare COVID-Confirmed Hospital Admissions | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | 2024-02-19 | Daily | Daily | 4-5 days | Daily | All | None | Hospitalized | Change Healthcare | Time-smoothing using a Gaussian linear smoother by Delphi. Day-of-week adjustment by Delphi. Geo-aggregation by Delphi. | Discarded if over a given 7-day period an estimate is computed with 100 or fewer observations | Data is available for nearly all (99%) of counties. Data is available for all states and some territories. | Yes | No | CC BY-NC | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/chng.html | |
| Change Healthcare COVID-Related Doctor Visits | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | 2024-02-19 | Daily | Daily | 4-5 days | Daily | All | None | Outpatient / ED | Change Healthcare | Time-smoothing using a Gaussian linear smoother by Delphi. Day-of-week adjustment by Delphi. Geo-aggregation by Delphi. | Discarded if over a given 7-day period an estimate is computed with 100 or fewer observations | Data is available for nearly all (99%) of counties. Data is available for all states and some territories. | Yes | No | CC BY-NC | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/chng.html | |
| Change Healthcare Influenza-Confirmed Doctor Visits | influenza | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | 2024-02-19 | Daily | Daily | 4-5 days | Daily | All | None | Outpatient / ED | Change Healthcare | Time-smoothing using a Gaussian linear smoother by Delphi. Day-of-week adjustment by Delphi. Geo-aggregation by Delphi. | Discarded if over a given 7-day period an estimate is computed with 100 or fewer observations | Data is available for nearly all (99%) of counties. Data is available for all states and some territories. | Yes | No | CC BY-NC | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/chng.html | |
| Community Profile Report Confirmed COVID-19 Hospital Admissions | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Metropolitan Statistical Area (MSA) | 2020-12-16 | 2023-02-22 | Daily | Daily | 3-9 days | None | All | None | Hospitalized | US WH DSEW-CPR | 7day averaging by Delphi. Geo-aggregation by Delphi. | None | Data is available for all counties and some territorial county equivalents. Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/dsew-cpr.html | |
| Community Profile Report COVID-19 Booster Doses | COVID-19 | United States | National U.S. HHS Region State/ADM 1 | 2021-11-01 | 2023-02-22 | Daily | Daily | 3-9 days | None | All | None | Entire Population | US WH DSEW-CPR | Time-smoothing by Delphi. Geo-aggregation by Delphi. | None | Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/dsew-cpr.html | |
| Community Profile Report COVID-19 Booster Recipients | COVID-19 | United States | National U.S. HHS Region State/ADM 1 | 2021-11-01 | 2023-02-22 | Daily | Daily | 3-9 days | None | All | None | Entire Population | US WH DSEW-CPR | 7day averaging by Delphi. Geo-aggregation by Delphi. | None | Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/dsew-cpr.html | |
| Community Profile Report COVID-19 Test Positivity | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Metropolitan Statistical Area (MSA) | 2021-11-01 | 2023-02-22 | Daily | Daily | 3-9 days | Almost daily | All | None | Entire Population | US WH DSEW-CPR | Time-smoothing by Delphi. Geo-aggregation by Delphi. | None | Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/dsew-cpr.html | |
| Community Profile Report COVID-19 Vaccine Doses | COVID-19 | United States | National U.S. HHS Region State/ADM 1 | 2021-05-02 | 2023-02-22 | Daily | Daily | 3-9 days | None | All | None | Entire Population | US WH DSEW-CPR | 7day averaging by Delphi. Geo-aggregation by Delphi. | None | Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/dsew-cpr.html | |
| Community Profile Report COVID-19 Vaccine Recipients | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Metropolitan Statistical Area (MSA) | 2021-01-15 | 2023-02-22 | Daily | Daily | 3-9 days | None | All | None | Entire Population | US WH DSEW-CPR | 7day averaging by Delphi. Geo-aggregation by Delphi. | None | Data is available for all counties and some territorial county equivalents. Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/dsew-cpr.html | |
| Covid Act Now COVID-19 PCR Test Positivity Rate | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-03-01 | 2021-12-02 | Daily | Daily | 2-9 days | Usually daily | All | None | Ascertained (Case) | COVID Act Now | Discarded if sample size (total tests performed) is 0 | Data is available for nearly all (99%) of counties. A few counties, most notably in California, are not covered by this data source Data is available for all states. | Yes | No | CC BY-NC | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/covid-act-now.html | ||
| Covid Act Now COVID-19 PCR Tests | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-03-01 | 2021-12-02 | Daily | Daily | 2-9 days | Usually daily | All | None | Ascertained (Case) | COVID Act Now | Discarded if sample size (total tests performed) is 0 | Data is available for nearly all (99%) of counties. A few counties, most notably in California, are not covered by this data source Data is available for all states. | Yes | No | CC BY-NC | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/covid-act-now.html | ||
| COVID-19 Burden Composite | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-04-06 | 2021-03-16 | Daily | Daily | 1-3 days | Almost daily | All | None | Outpatient / ED Symptomatic | Delphi | Extensive processing, see documentation | None. However underlying signals may perform their own censoring | Data is available for about 80% of counties Data is available for all states and some territories. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/indicator-combination.html | |
| COVID-19 Hospital Admissions from claims + EMR | COVID-19 | United States | State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-01 | 2020-09-27 | Daily | Daily | 3-4 days | Daily | All | None | Hospitalized | Health system partners | time-smoothing by Delphi, with and without day-of-week adjustment by Delphi | Discarded if over a given 7-day period an estimate is computed with 500 or fewer observations | Data is available for about 35% of counties Data is available for all states. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/hospital-admissions.html | |
| CTIS: Behavior Indicators | COVID-19 | United States | National State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | Varies by indicator - 2020-2021 | 2022-06-25 | Daily | Daily | 1 day | Daily | All | None | Entire Population | Delphi via Facebook | population weighting by Delphi, with and without 7 day rolling by Delphi | Discarded if an estimate is based on fewer than 100 survey responses. | Geographic coverage varies widely by signal, with anywhere from 0.4% to 25% of counties available and 15% to 100% of states. A handful of signals are available for 40-50% of counties, and all states and some territories. Signals based on questions that were asked to a subset of survey respondents are available for fewer locations. Availability declines over time as survey response rate decreases. A missing value indicates no valid data OR, for test positivity, that the value was censored due to small sample size (<= 5) | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html | |
| CTIS: Belief, Experience, and Information Indicators | COVID-19 | United States | National State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | Varies by indicator - 2020-2021 | 2022-06-25 | Daily | Daily | 1 day | Daily | All | None | Entire Population | Delphi via Facebook | population weighting by Delphi, with and without 7 day rolling by Delphi | Discarded if an estimate is based on fewer than 100 survey responses. | Geographic coverage varies widely by signal, with anywhere from 0.4% to 25% of counties available and 15% to 100% of states. A handful of signals are available for 40-50% of counties, and all states and some territories. Signals based on questions that were asked to a subset of survey respondents are available for fewer locations. Availability declines over time as survey response rate decreases. A missing value indicates no valid data OR, for test positivity, that the value was censored due to small sample size (<= 5) | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html | |
| CTIS: ILI and CLI Indicators | COVID-19 | United States | National State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | Varies by indicator - 2020-2021 | 2022-06-25 | Daily | Daily | 1 day | Daily | All | None | Symptomatic | Delphi via Facebook | population weighting by Delphi, with and without 7 day rolling by Delphi | Discarded if an estimate is based on fewer than 100 survey responses. | Geographic coverage varies widely by signal, with anywhere from 0.4% to 25% of counties available and 15% to 100% of states. A handful of signals are available for 40-50% of counties, and all states and some territories. Signals based on questions that were asked to a subset of survey respondents are available for fewer locations. Availability declines over time as survey response rate decreases. A missing value indicates no valid data OR, for test positivity, that the value was censored due to small sample size (<= 5) | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html | |
| CTIS: Mental Health Indicators | pathogen independent | United States | National State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | Varies by indicator - 2020-2021 | 2022-06-25 | Daily | Daily | 1 day | Daily | All | None | Entire Population | Delphi via Facebook | population weighting by Delphi, with and without 7 day rolling by Delphi | Discarded if an estimate is based on fewer than 100 survey responses. | Geographic coverage varies widely by signal, with anywhere from 0.4% to 25% of counties available and 15% to 100% of states. A handful of signals are available for 40-50% of counties, and all states and some territories. Signals based on questions that were asked to a subset of survey respondents are available for fewer locations. Availability declines over time as survey response rate decreases. A missing value indicates no valid data OR, for test positivity, that the value was censored due to small sample size (<= 5) | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html | |
| CTIS: Testing Indicators | COVID-19 | United States | National State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | Varies by indicator - 2020-2021 | 2022-06-25 | Daily | Daily | 1 day | Daily | All | None | Tested | Delphi via Facebook | population weighting by Delphi, with and without 7 day rolling by Delphi | Discarded if an estimate is based on fewer than 100 survey responses. | Geographic coverage varies widely by signal, with anywhere from 0.4% to 25% of counties available and 15% to 100% of states. A handful of signals are available for 40-50% of counties, and all states and some territories. Signals based on questions that were asked to a subset of survey respondents are available for fewer locations. Availability declines over time as survey response rate decreases. A missing value indicates no valid data OR, for test positivity, that the value was censored due to small sample size (<= 5) | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html | |
| CTIS: Vaccination Indicators | COVID-19 | United States | National State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | Varies by indicator - 2020-2021 | 2022-06-25 | Daily | Daily | 1 day | Daily | All | None | Vaccinated | Delphi via Facebook | population weighting by Delphi, with and without 7 day rolling by Delphi | Discarded if an estimate is based on fewer than 100 survey responses. | Geographic coverage varies widely by signal, with anywhere from 0.4% to 25% of counties available and 15% to 100% of states. A handful of signals are available for 40-50% of counties, and all states and some territories. Signals based on questions that were asked to a subset of survey respondents are available for fewer locations. Availability declines over time as survey response rate decreases. A missing value indicates no valid data OR, for test positivity, that the value was censored due to small sample size (<= 5) | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/fb-survey.html | |
| Delphi Dengue Nowcasts | dengue | North and South America | National | 2014w09 | 2020w32 | Weekly | unknown | unknown | Weekly | All | None | Ascertained (Case) | Delphi | Sensor fusion model | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/dengue_nowcast.html | |||
| Delphi ILI-Nearby Nowcasts | ILI | United States | National U.S. HHS Region U.S. Census Region State/ADM 1 | 2010w45 | 2022w36 | Weekly | Weekly | {-1, 1} day | Weekly (x2) | All | None | Outpatient / ED | Delphi | Sensor fusion model | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/nowcast.html | |||
| Delphi ILINet Forecasts | ILI | United States | National U.S. HHS Region State/ADM 1 | 2014w41 | 2020w19 | Weekly | Weekly | Typically {2, -5, -12, -19} days | Weekly | All | None | Outpatient / ED | Delphi | Time series model | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/delphi.html | |||
| European ILI | ILI | Europe and Central Asia | National | 2018w40 | 2020w12 | Weekly | unknown | unknown | unknown | All | None | Outpatient / ED | European CDC | Yes | No | This was scraped from a publicly-accessible website, but no explicit license terms were found. | https://cmu-delphi.github.io/delphi-epidata/api/ecdc_ili.html | ||||
| FluSurv-NET influenza hospitalization rates | influenza | United States | FluSurv-Net site (see documentation) | 2003w40 | 2020w17 | Weekly | Weekly during flu season (w40-w20) | 6 days | Mostly weekly | All | ages 0-4, 5-17, 18-49, 50-64, 65+ | Hospitalized | US DHHS/CDC/other | FluSurv public reporting starts when season-cumulative admissions in that jurisdiction reach a certain threshold. | Typically available for most of the influenza season (w40-w20) | Yes | No | [Publicly Accessible US Government](https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/flusurv.html | ||
| Google Flu Trends (GFT) | ILI | United States | National U.S. HHS Region State/ADM 1 Municipality/ADM 3 | 2003w40 | 2015w32 | Weekly | unknown | 1 day | unknown | All | None | Symptomatic | Normalization | Unavailable when daily volume in a region does not meet quality or privacy thresholds, as set by Google. Google also uses differential privacy, which adds artificial noise to the incoming data | Yes | No | Google Terms of Service (https://policies.google.com/terms) | https://cmu-delphi.github.io/delphi-epidata/api/gft.html | |||
| Google Health Trends (GHT) COVID-Related Searches | COVID-19 | United States | State/ADM 1 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) Designated Market Area (DMA) | 2020-02-01 | 2021-03-04 | Daily | Daily | 4-5 days | None | All | None | Symptomatic | with and without time-smoothed by Delphi | Reported as 0 query when search volume is below a certain threshold | Data is available for all states. | Yes | No | Google Terms of Service (https://policies.google.com/terms) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/ght.html | ||
| Google Symptom Surveys COVID-Like Illness | COVID-19 | United States | State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-04-11 | 2020-05-14 | Daily | Daily | 1-2 days | Daily for 3 days but with minimal changes. | All | None | Symptomatic | Delphi via Google | with and without time-smoothed by Delphi | Discarded when an estimate is based on fewer than 100 survey responses | Data is available for about 20% of counties Data is available for all states. | Yes | No | Google Terms of Service (https://policies.google.com/terms) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/google-survey.html | |
| HealthTweets ILI Twitter Activity | influenza | United States | National U.S. HHS Region U.S. Census Region State/ADM 1 | 2011-12-01 | 2020-12-07 | Daily Weekly | unknown | unknown | unknown | All | None | Symptomatic | Yes | No | publicly accessible. Please cite: Mark Dredze, Renyuan Cheng, Michael J Paul, David A Broniatowski. HealthTweets.org: A Platform for Public Health Surveillance using Twitter. AAAI Workshop on the World Wide Web and Public Health Intelligence, 2014. | https://cmu-delphi.github.io/delphi-epidata/api/twitter.html | |||||
| HHS Confirmed COVID-19 Admissions | COVID-19 | United States | National U.S. HHS Region State/ADM 1 | 2019-12-31 | 2024-04-30 | Daily | Weekly | 5-11 days | Often twice a week, sometimes almost daily | All | None | Hospitalized | US DHHS/other | None | Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government data (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/hhs.html | ||
| HHS Confirmed Influenza Admissions | influenza | United States | National U.S. HHS Region State/ADM 1 | 2019-12-31 | 2024-04-30 | Daily | Weekly | 5-11 days | Often twice a week, sometimes almost daily | All | None | Hospitalized | US DHHS/other | None | Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government data (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/hhs.html | ||
| HHS COVID-19 Reported Patient Impact and Hospital Capacity by Facility | COVID-19 | United States | Hospital ("Facility") | 2019w52 | 2024w08 | Weekly | up to twice a week | 11-19 days | Often twice a week, sometimes almost daily | All | adult, pediatric; ages 18-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80+ | Hospitalized ICU | US DHHS/other | None by Delphi | None | Data is available for all states and some territories. | Yes | No | [Publicly Accessible US Government data](https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covid_hosp_facility.html | |
| HHS COVID-19 Reported Patient Impact and Hospital Capacity by State | COVID-19 | United States | State/ADM 1 | 2020-01-01 | 2024-04-27 | Daily | usually twice a week | 5-11 days | Often twice a week, sometimes almost daily | All | adult, pediatric; ages 18-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80+ | Hospitalized ICU | US DHHS/other | None by Delphi | None | Data is available for all states and some territories. | Yes | No | [Publicly Accessible US Government data](https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covid_hosp.html | |
| HHS Suspected or Confirmed COVID-19 Admissions | COVID-19 | United States | National U.S. HHS Region State/ADM 1 | 2019-12-31 | 2024-04-30 | Daily | Weekly | 5-11 days | Often twice a week, sometimes almost daily | All | None | Hospitalized | US DHHS/other | None | Data is available for all states and some territories. | Yes | No | Publicly Accessible US Government data (https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/hhs.html | ||
| Influenza-Related Wikipedia Access | ILI | Worldwide | N/A | 2007w50 | 2021w11 | Hourly Daily Weekly | unknown | unknown | unknown | All | None | Symptomatic | Wikipedia | Yes | No | CC BY-SA | https://cmu-delphi.github.io/delphi-epidata/api/wiki.html | ||||
| JHU Confirmed COVID-19 Cases | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-01-22 with some variation by geo | 2023-03-09 | Daily | Daily | 1 day | 2-3 times weekly | All | None | Ascertained (Case) | JHU CSSE | incidence, 7day avg, and rates calculation by Delphi | None | Data is available for all counties and some territorial county equivalents. Data is available for all states and some territories. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/jhu-csse.html | |
| JHU Confirmed COVID-19 Deaths | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-01-22 with some variation by geo | 2023-03-09 | Daily | Daily | 1 day | 2-3 times weekly | All | None | Deceased | JHU CSSE | incidence, 7day avg, and rates calculation by Delphi | None | Data is available for all counties and some territorial county equivalents. Data is available for all states and some territories. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/jhu-csse.html | |
| Korean ILI | ILI | South Korea | National | 2004w36 | 2020w44 | Weekly | Weekly | 3 days | None | All | None | Outpatient / ED | Korean CDC | Yes | No | This was scraped from a publicly-accessible government website, but no explicit license terms were found. | https://cmu-delphi.github.io/delphi-epidata/api/kcdc_ili.html | ||||
| NoroSTAT norovirus outbreaks | norovirus | United States | National | 2012w31 | 2020w30 | Weekly | Monthly | 3-8 weeks | None | All | None | Ascertained (Case) | US DHHS/CDC/other | Yes | No | [Publicly Accessible US Government](https://www.usa.gov/government-works) | https://cmu-delphi.github.io/delphi-epidata/api/norostat.html | ||||
| PAHO Dengue | dengue | North and South America | National | 2014w01 | 2020w31 | Weekly | Weekly | 6-7 days minimum, varies across jurisdictions and time | None | All | None | Ascertained (Case) | PAHO | Yes | No | This was scraped from a publicly-accessible website, but no explicit license terms were found. | https://cmu-delphi.github.io/delphi-epidata/api/paho_dengue.html | ||||
| Safegraph Home Mobility | pathogen independent | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2019-01-01 | 2021-04-16 | Daily | Daily | 3 days | Annually | All | None | Entire Population | Safegraph | Census block aggregation by Delphi. Raw and 7-day averaging by Delphi. Geo-aggregation by Delphi. | None. However, Safegraph uses differential privacy, which adds artificial noise to the incoming data. See https://docs.safegraph.com/docs/social-distancing-metrics for details | Data is available for all counties and some territorial county equivalents. Data is available for all states and some territories. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/safegraph.html | |
| Safegraph POI Mobility | pathogen independent | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2019-01-01 | 2022-05-01 | Daily | Weekly | 3-11 days | Annually | All | None | Entire Population | Safegraph | POI aggregation by Delphi. Raw and 7-day averaging by Delphi. Geo-aggregation by Delphi. Population rates by Delphi. | None. However, Safegraph uses differential privacy, which adds artificial noise to the incoming data. See https://docs.safegraph.com/docs/social-distancing-metrics for details | Data is available for all counties and some territorial county equivalents. Data is available for all states and some territories. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/safegraph.html | |
| Taiwanese dengue cases | dengue | Taiwan | National Other Subnational Region | 2003w01 | 2018w10 | Weekly | unknown | unknown | unknown | All | None | Ascertained (Case) | Taiwan CDC | Yes | No | https://data.gov.tw/license | https://cmu-delphi.github.io/delphi-epidata/api/nidss_dengue.html | ||||
| Taiwanese ILI | ILI | Taiwan | National Other Subnational Region | 2008w14 | 2018w10 | Weekly | Weekly | 2-3 days | Mostly weekly | All | None | Outpatient / ED | Taiwan CDC | Yes | No | https://data.gov.tw/license | https://cmu-delphi.github.io/delphi-epidata/api/nidss_flu.html | ||||
| USA Facts Confirmed COVID-19 Cases | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-01-25 | 2023-01-02 | Daily | Weekly | 2-8 days | Almost daily | All | None | Ascertained (Case) | USA Facts | incidence, 7day avg, and rates calculation by Delphi | None | Data is available for all counties and some territorial county equivalents. Data is available for all states. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/usa-facts.html | |
| USA Facts Confirmed COVID-19 Deaths | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-01-25 | 2023-01-02 | Daily | Weekly | 2-8 days | Almost daily | All | None | Deceased | USA Facts | incidence, 7day avg, and rates calculation by Delphi | None | Data is available for all counties and some territorial county equivalents. Data is available for all states. | Yes | No | CC BY | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/usa-facts.html | |
| CDC Website Hits | ILI | United States | National U.S. HHS Region U.S. Census Region State/ADM 1 | 2013w02 | 2020w03 | Weekly | Weekly | 2 days | None | All | None | Symptomatic | US DHHS/CDC/other | None | Yes | Yes | Permission by CDC flu division | https://cmu-delphi.github.io/delphi-epidata/api/cdc.html | |||
| Delphi Dengue Sensors | dengue | North and South America | National | 2014w04 | 2020w32 | Weekly | unknown | unknown | Weekly | All | None | Ascertained (Case) | Delphi | Sensors are fit to estimate a target surveillance stream from individual data sources or models | Yes | Sensor-dependent | Sensor-dependent | https://cmu-delphi.github.io/delphi-epidata/api/dengue_sensors.html | |||
| Delphi ILI Sensors | ILI | United States | National U.S. HHS Region U.S. Census Region State/ADM 1 | 2010w40 | 2022w36 | Weekly | unknown | -1 to 1 day | unknown | All | None | Outpatient / ED | Delphi | Sensors are fit to estimate the target (%wILI) from individual data sources or models. | Yes | Sensor-dependent | Sensor-dependent | David Farrow's PhD thesis (https://www.cmu.edu/delphi-web/publications/dfarrow-thesis.pdf), section 4.3 | |||
| Florida Flu and ILI # Outbreaks | ILI influenza | Florida | State/ADM 1 County/ADM 2 | 2022 epiweek 40 | All | Age | Florida Department of Health | No | None found | https://www.floridahealth.gov/diseases-and-conditions/respiratory-illness/influenza/florida-influenza-surveillance-report-archive/index.html | |||||||||||
| Google Health Trends (GHT) ILI-Related Searches | ILI | North and South America | National State/ADM 1 | 1993w01 | 2022w36 | Weekly | unknown | 1 day | unknown | All | None | Symptomatic | Normalization | Unavailable when daily volume in a region does not meet quality or privacy thresholds, as set by Google. Google also uses differential privacy, which adds artificial noise to the incoming data | Yes | Yes | Google Terms of Service (https://policies.google.com/terms) | https://cmu-delphi.github.io/delphi-epidata/api/ght.html | |||
| Michigan Historical Clinic Level ILINet Data | ILI | Michigan | Hospital ("Facility") | Daily | None | n/a | None | All | Ages 0-4, 5-17, 18-34, 35-49, 50-64, 65+ | Symptomatic | University of Michigan | Count values for visits and "positive" visits are pre-calculated into normalized proportions | None | Only if sites don't report | No | Yes | Contact micom-info@umich.edu | ||||
| New York State COVID % Hospital Bed Capacity | pathogen independent | New York State (including NYC) | State/ADM 1 County/ADM 2 Hospital ("Facility") Other Substate Region | 3/26/2020 | 10/7/2025 | Daily | Daily | All | None | New York State Department of Health | No | None found | https://coronavirus.health.ny.gov/hospital-bed-capacity | ||||||||
| Quidel influenza lab tests (early pandemic period) | influenza | United States | State/ADM 1 Metropolitan Statistical Area (MSA) | 2020-01-31 | 2020-05-01 | Daily | Daily | 3-11 days | Mostly daily | All | None | Ascertained (Case) | Quidel Corp. | With and without temporal smoothing by Delphi. Geo-aggregation by Delphi. | Not reported if based on fewer than 10 tests | Yes | Yes | Permission by QuidelOrtho | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/quidel-flu.html | ||
| Quidel influenza lab tests (pre-pandemic) | influenza | United States | U.S. HHS Region | 2015w35 | 2020w15 | Weekly | Weekly | 1-2 days? | unknown | All | None | Ascertained (Case) | Quidel Corp. | Yes | Yes | Permission by QuidelOrtho | https://cmu-delphi.github.io/delphi-epidata/api/quidel.html | ||||
| BETA Google Symptoms Searches | COVID-19 H5N1 ILI influenza RSV | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2020-02-13 with some variation by geography | Ongoing | Daily | Daily | 4-7 days | None | All | None | Symptomatic | with and without 7day smoothed by Delphi | Unavailable when daily volume in a region does not meet quality or privacy thresholds, as set by Google. Google also uses differential privacy, which adds artificial noise to the incoming data | Data is available for about 3-4% of counties. Data is available for about 85% of states. Signals associated with rarer symptoms (e.g. ageusia) will tend to have fewer locations available, due to upstream privacy censoring. Locations with lower populations will tend to be less available for the same reason | Yes | No | Google Terms of Service (https://policies.google.com/terms) | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/google-symptoms.html | ||
| BETA NSSP COVID-19 Emergency Department Visits | COVID-19 | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states except SD and MO, and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html | |
| BETA NSSP Emergency Department Visits for COVID-19, Influenza, and RSV Combined | COVID-19 influenza RSV | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html | |
| BETA NSSP Influenza Emergency Department Visits | influenza | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html | |
| BETA NSSP RSV Emergency Department Visits | RSV | United States | National U.S. HHS Region State/ADM 1 County/ADM 2 Hospital Referral Region (HRR) Metropolitan Statistical Area (MSA) | 2022-10-01 | Ongoing | Weekly | Weekly | 7 days | Weekly | All | None | Outpatient / ED | US DHSS/CDC/NSSP | 3-week smoothing by NSSP. Geo-aggregation to hrr, msa and hhs-region by Delphi. Geo-aggregation to state and nation by NSSP. | None, though a number of states do not share county level data for unknown reasons | Data is available for all states and some territories. Many states do not have county-level data. As of May 2024, NSSP received data from 78% of US EDs. | Yes | No | Public Domain U.S. Government, https://www.usa.gov/government-works | https://cmu-delphi.github.io/delphi-epidata/api/covidcast-signals/nssp.html |