Before March 23 , 2020 , the US had less than 30,000 active coronavirus cases during the pandemic .
As of March 23 , the U.S. has the second highest number of active cases in the world ( 42,681 ) , only after Italy ( 50,418 ) .The first known case of in the U.S. was confirmed on January 20 , 2020 , in a 35-year-old man who had returned from Wuhan , China five days earlier .
2020 coronavirus pandemic in the United States