Hundreds of people line up to buy face masks to protect themselves from the coronavirus in front of a department store in Seoul, South Korea, Tuesday, March 3, 2020. China’s coronavirus caseload continued to wane Tuesday even as the epidemic took a firmer hold beyond Asia, with three countries now exceeding 1,000 cases and the U.S. reporting its sixth death. (Hong Hae-in/Yonhap via AP)