Coronavirus Live Updates: U.S. Issues ‘Red Alert’ After Week of Skyrocketing Infections

By THE NEW YORK TIMES from NYT World https://ift.tt/2RHtjJF The United States issued a Level 4 warning, its highest, urging Americans to avoid travel to China. Officials said the number of new cases had risen tenfold in the past week. https://ift.tt/2RHtjJF