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Take me there!Separately, CDC also regularly reports provisional death certificate data from the National Vital Statistics System (NVSS) on data.cdc.gov. Details are described on the NCHS website. Reporting the number of deaths by using death certificates ultimately provides more complete information but is a longer process; therefore, these numbers will be less than the death counts on the COVID-19 website.
CDC tracks COVID-19 illnesses, hospitalizations, and deaths to track trends, detect outbreaks, and monitor whether public health measures are working. However, counting exact numbers of COVID-19 cases is not possible due to a variety of reasons. For instance, COVID-19 can cause mild illness which may not be reported, symptoms might not appear immediately, there may be delays in reporting and testing, not everyone who is infected hay get tested or seek medical care, and there may be differences in how completely states and territories report their cases.
As of April 14, 2020, CDC case counts and death counts include both confirmed and probable cases and deaths. This change was made to reflect an interim COVID-19 position statement issued by the Council of State and Territorial Epidemiologists on April 5, 2020. The position statement included a case definition and made COVID-19 a nationally notifiable disease. Nationally notifiable disease cases are voluntarily reported to CDC by jurisdictions. Confirmed and probable case definition criteria are described here:
https://ndc.services.cdc.gov/case-definitions/coronavirus-disease-2019-2021/. Not all jurisdictions report probable cases and deaths to CDC. When not available to CDC, it is noted as N/A. Please note that jurisdictions may reclassify probable cases at any time to confirmed cases (if confirmatory laboratory evidence is obtained). They may also withdraw probable case reports entirely if further public health investigation determines that the individual most likely did not have COVID-19. As a result, probable case counts can fluctuate substantially. A jurisdiction might even report a negative number of probable cases on a given day, if more probable cases were disproven than were initially reported on that day.
There are currently 60 public health jurisdictions reporting cases of COVID-19. This includes the 50 states, the District of Columbia, New York City, the U.S. territories of American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, Puerto Rico, and the U.S Virgin Islands as well as three independent countries in compacts of free association with the United States, Federated States of Micronesia, Republic of the Marshall Islands, and Republic of Palau. New York State’s reported case and death counts do not include New York City’s counts as they separately report nationally notifiable conditions to CDC.
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- Category
- Case Surveillance
- Permissions
- Public
- Tags
- covid-19, aggregate, death, cases, coronavirus
- Row Label
- Day for a Jurisdiction
- SODA2 Only
- Yes
- Data Provided By
- CDC COVID-19 Response
- Source Link
- https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/cases-in-us.html
- License
- Public Domain U.S. Government
- Contact Name
- Surveillance Review and Response Group
- Contact Email
- eocevent394@cdc.gov
- Publisher
- CDC
- Issued
- 2020-06-11
- Bureau Code
- 009:20
- Program Code
- 009:020
- Geographic Coverage
- US
- Temporal Applicability
- 2020-01-21/2022-10-19
- Update Frequency
- No longer updated (dataset archived)
- Suggested Citation
- Centers for Disease Control and Prevention, COVID-19 Response. United States COVID-19 Cases and Deaths by State over Time - ARCHIVED (version date: October 19, 2022)
- Geospatial Resolution
- State/Territory
- Footnotes
- This archived aggregate dataset is structured to include daily numbers of confirmed and probable case and deaths retrieved by CDC from states and territories over time. Because these provisional counts are subject to change, including updates to data reported previously, adjustments can occur. These adjustments can result in fewer total numbers of cases and deaths compared with the previous data, which means that new numbers of cases or deaths can include negative values that reflect such adjustments.