After 24th March , the US had the most active coronavirus cases , with more than 52,150 cases ahead of Italy 's under 60,000 cases during the pandemic .
As of March 24 , the U.S. has the second-most active cases in the world ( 52,145 ) , after Italy ( 69,176 ) .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