U.S. COVID-19 cases rise by nearly 40,000 over past 24 hours

A man rides a bicycle with the U.S. Capitol Building in the background in Washington D.C., the United States, on April 21, 2020. (Xinhua/Liu Jie)

Confirmed COVID-19 cases in the United States reached 823,786 as of 8:00 p.m. EST on Tuesday (0000 GMT Wednesday), up 39,460 from 24 hours earlier, according to the Center for Systems Science and Engineering at Johns Hopkins University.