COVID-19 cases in U.S. top 16,000: Johns Hopkins University

A man walks with the Washington Monument in the background in Washington D.C., the United States, on March 20, 2020. The number of COVID-19 cases in the United States topped 16,000 by 3:30 p.m. local time Friday (1930 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Xinhua/Liu Jie)