Total Number of Cases:

last updated:

See the timeline of COVID-19 cases in U.S. counties

Top 10 States:

Top 10 Counties:

Contribution: Visualization by Junchuan Fan. Data collection by Junchuan Fan, Hai Lan, Yao Li, Jeff Sauer, Zhiyue Xia,Guiming Zhu from CGIS, University of Maryland, College Park.
Data source: Johns Hopkins University