New Cases of COVID-19 in US States
Have states flattened the curve?
See if new cases are rising or declining as states reopen.
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By Region
Explore stats and trends specific to your country or U.S. state
Testing Trends Tool
State Timeline
A look at how social distancing measures may have influenced trends in COVID-19 cases and deaths
Providing public access to COVID-19 testing data, resources, and expert analysis
Testing tracker
A state-by-state comparison.
Testing tracker
A state-level look at weekly changes in testing rates.
Testing tracker
See which states meet or exceed test positivity rates recommended by the World Health Organization.
Resources and Expert Guidance for Tracing the COVID-19 Pandemic
news | October 5, 2020
President Trump's COVID-19 diagnosis highlights the importance of contact tracing. What does it entail?
news | October 3, 2020
What does it look like when you're contact tracing the President of the United States, in the hectic, jam-packed last weeks of a reelection campaign?
news | August 30, 2020
A patchwork approach to contact tracing across state health departments is making it increasingly difficult to know where people are getting exposed to COVID-19.
news | November 5, 2020
In the United States, the standard approach to distributing a routine vaccine is based on the assumption that there will be plenty of doses available.
experts | November 4, 2020
Johns Hopkins Bloomberg School of Public Health Vice Dean Joshua Sharfstein on increasing hospitalization rates.