Cases in U.S. | CDC

More U.S. COVID-19 Data from CDC


A weekly surveillance summary of U.S. COVID-19 activity. The report summarizes and interprets key indicators including information related to COVID-19 outpatient visits, emergency department visits, hospitalizations and deaths, as well as laboratory data.

Cases & Surveillance

This website features links to different CDC data platforms, FAQs about data and surveillance, and highlights recent data reports.

CDC COVID Data Tracker

CDC COVID Data Tracker is a website that allows users to interact with a variety of data on COVID-19 that is updated daily. The site presents data using visual dashboards that include interactive maps, graphs and other visuals. It is being developed in phases. The first phase showcases data on U.S. cases and deaths of COVID-19 and social impacts of COVID-19 disease.

Previous U.S. COVID-19 Case Data

CDC has moved the following information to the Previous U.S. COVID-19 Case Data

  • When did people in the U.S. get sick from COVID-19,
  • How did people in the U.S. get COVID-19, and
  • Cases of COVID-19 from Wuhan, China and the Diamond Princess cruise.

About the Data on This Page

1. State and local public health departments are now testing and publicly reporting their cases. In the event of a discrepancy between CDC cases and cases reported by state and local public health officials, data reported by states should be considered the most up to date.

2. 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 statementpdf icon issued by the Council for State and Territorial Epidemiologists on April 5, 2020. The position statement included a case definition and made COVID-19 a nationally notifiable disease.

A confirmed case or death is defined by meeting confirmatory laboratory evidence for COVID-19. A probable case or death is defined by i) meeting clinical criteria AND epidemiologic evidence with no confirmatory laboratory testing performed for COVID-19; or ii) meeting presumptive laboratory evidence AND either clinical criteria OR epidemiologic evidence; or iii) meeting vital records criteria with no confirmatory laboratory testing performed for COVID19.

3. Self-reported by health department characterizing the level of community transmission in their jurisdiction as: “Yes, widespread” (defined as: widespread community transmission across several geographical areas); “Yes, defined area(s)” (defined as: distinct clusters of cases in a, or a few, defined geographical area(s)); “Undetermined” (defined as: 1 or more cases but not classified as “Yes” to community transmission); or “N/A” (defined as: no cases).

4. Case notifications were received by CDC from U.S. public health jurisdictions and the National Notifiable Diseases Surveillance System (NNDSS).

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