COVID-19 cases in U.S. top 650,000: Johns Hopkins University

People jog at the Lincoln Memorial in Washington D.C., the United States, on April 16, 2020. The number of COVID-19 cases in the United States topped 650,000 by 4 p.m. local time on Thursday (2000 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Xinhua/Liu Jie)