A man wearing a face mask waits to board an underground train on the Central Line at Bank station in London, Wednesday, March 4, 2020. British authorities laid out plans Tuesday to confront a COVID-19 epidemic, saying that the new coronavirus could spread within weeks from a few dozen confirmed cases to millions of infections, with thousands of people in the U.K. at risk of death. (AP Photo/Matt Dunham)

March 4, 2020