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State
MD COVID-19 - Cases by County
State of Maryland —
Note: Starting October 10th, 2025 this dataset is deprecated and is no longer being updated. As of April 27, 2023 updates changed from daily to weekly. Summary The... -
DC COVID 19 Outbreaks
District of Columbia —
Retired on March 2, 2022. Data and metadata are provided as-is archive.The data describes COVID-19 outbreaks that occur at various setting types. Data are presented by... -
Federal
Waterborne Disease Outbreak Data Set
U.S. Environmental Protection Agency —
CDC data on waterborne disease outbreak response. This dataset is not publicly accessible because: Data is property of CDC. It can be accessed through the following... -
Federal
Environmental Antecedents of Foodborne Illness Outbreaks
U.S. Department of Health & Human Services —
Foodborne outbreak investigations often provide data for public health officials to determine how the environment contributed to the outbreak and on how to prevent... -
State
MD COVID-19 - Confirmed Deaths by County
State of Maryland —
Note: Note: Starting October 10th, 2025 this dataset is deprecated and is no longer being updated. As of April 27, 2023 updates changed from daily to weekly. Summary... -
State
MD COVID-19 - Probable Deaths by Age Distribution
State of Maryland —
Note: Note: Starting October 10th, 2025 this dataset is deprecated and is no longer being updated. As of April 27, 2023 updates changed from daily to weekly. Summary... -
State
MD COVID-19 - Confirmed Deaths by Gender Distribution
State of Maryland —
Note: Note: Starting October 10th, 2025 this dataset is deprecated and is no longer being updated. As of April 27, 2023 updates changed from daily to weekly. Summary... -
State
MD COVID-19 - Total Deaths in Congregate Facility Settings (Nursing Homes, Assisted Living, State and Local Facilities and Group Homes +10 Residents)
State of Maryland —
Summary This layer has been DEPRECATED (last updated 12/1/2021). Was formerly a weekly update. The Outbreak-Associated Cases in Congregate Living data dashboard on... -
State
COVID-19 Outbreak Data (ARCHIVED)
State of California —
Note: This dataset is no longer being updated as of June 2, 2025. This dataset contains numbers of COVID-19 outbreaks and associated cases,... -
State
MD COVID-19 - MASTER Case Tracker
State of Maryland —
Note:This dataset represents archived records covering the period from March 2020 through October 2025. The most recent dataset, containing data from October 2025 to... -
State
MD COVID-19 Total Doses Distributed Statewide
State of Maryland —
WARNING: This asset has been deprecated and will no longer be updated (last updated 4/29/2022). This was formerly a weekly update. Summary The cumulative number of... -
State
MD COVID-19 - Total Testing Volume by County
State of Maryland —
NOTE: This dataset is no longer being updated as of 4/27/2023. It is retired and no longer included in public COVID-19 data dissemination. See this link for more... -
State
MD COVID19 Total Vaccinations Age 65 Plus - At least 1 Dose And Fully Vaccinated
State of Maryland —
Regarding all Vaccination Data The date of Last Update is 4/21/2023. Additionally on 4/27/2023 several COVID-19 datasets were retired and no longer included in public... -
State
MD COVID-19 - Total Currently Hospitalized - Acute and ICU
State of Maryland —
NOTE: This dataset is no longer being updated as of 4/27/2023. It is retired and no longer included in public COVID-19 data dissemination. See this link for more... -
State
MD COVID-19 Total Vaccinations by Age - First, Second, Single, and Third Dose
State of Maryland —
Regarding all Vaccination Data The date of Last Update is 4/21/2023. Additionally on 4/27/2023 several COVID-19 datasets were retired and no longer included in public... -
Federal
USGS NWHC Diagnostic Case Data to retrospectively evaluate NWHC’s diagnosis likelihoods for different kinds of cases collected in the United States submitted to the NWHC from January 1st, 2000 to December 31st, 2021.
Department of the Interior —
Diagnostic case-level data recorded by the USGS National Wildlife Health Center (NWHC) in their Laboratory Information Management system (LIMs) and wildlife health... -
State
MD COVID-19 - Total Cases in Congregate Facility Settings (Nursing Homes, Assisted Living, State and Local Facilities and Group Homes +10 Residents) by County
State of Maryland —
This layer has been DEPRECATED (last updated 12/1/2021). This was formerly a weekly update. Summary The Outbreak-Associated Cases in Congregate Living data dashboard... -
State
MD COVID-19 - Total Hospitalizations
State of Maryland —
NOTE: This layer is deprecated (last updated 3/14/2022). This was formerly a daily update. Summary The cumulative number of COVID-19 positive Maryland residents who... -
State
MD COVID-19 - Probable Deaths by Race and Ethnicity Distribution
State of Maryland —
Note: Note: Starting October 10th, 2025 this dataset is deprecated and is no longer being updated. As of April 27, 2023 updates changed from daily to weekly. Summary... -
State
MD COVID-19 - Contact Tracing Cases Reached and Interviewed
State of Maryland —
NOTE THIS LAYER IS DEPRECATED (last updated 6/7/2022). This was formerly a weekly update. Summary The cumulative total of confirmed COVID-19 cases that have been...