1 / 12Airplanes wait for the U.S. passengers of the cruise ship Diamond Princess, where dozens of passengers were tested positive for coronavirus, in Yokohama, south of Tokyo, Japan, February 17, 2020. REUTERS/Issei Kato
2 / 12A bus arrives at the cruise ship Diamond Princess, where dozens of passengers were tested positive for coronavirus, at Daikoku Pier Cruise Terminal in Yokohama, south of Tokyo, Japan, February 16, 2020. REUTERS/Issei Kato
3 / 12Passengers wearing protective face masks are seen on the cruise ship Diamond Princess, as the vessel's passengers continue to be tested for coronavirus, at Daikoku Pier Cruise Terminal in Yokohama, south of Tokyo, Japan February 16, 2020. REUTERS/Athit Perawongmetha
4 / 12Women wearing face masks ride shared bicycles, as the country is hit by an outbreak of the novel coronavirus, in Beijing, China February 15, 2020. REUTERS/Stringer
5 / 12A worker in protective suit stands amid snow to help transport novel coronavirus patients outside a hospital, in Wuhan, Hubei province, China February 15, 2020. China Daily via REUTERS
6 / 12A worker in protective suit drives a vehicle amid snow to transport novel coronavirus patients outside a hospital in Wuhan, Hubei province, China February 15, 2020. China Daily via REUTERS
7 / 12Statues with face masks on are seen amid snow in Wuhan, the epicentre of the novel coronavirus outbreak, in Hubei province, China February 15, 2020. China Daily via REUTERS
8 / 12A man wearing a face mask crosses a road, as the country is hit by an outbreak of the novel coronavirus, in Beijing, China February 15, 2020. REUTERS/Stringer
9 / 12Customers wearing face masks shop inside a supermarket, as the country is hit by an outbreak of the novel coronavirus, in Beijing, China February 15, 2020. REUTERS/Stringer
10 / 12A boy wearing a face mask exercises outside a residential compound, as the country is hit by an outbreak of the novel coronavirus, in Beijing, China February 15, 2020. REUTERS/Stringer
11 / 12Customers wearing face masks leave a supermarket, as the country is hit by an outbreak of the novel coronavirus, in Beijing, China February 15, 2020. REUTERS/Stringer
12 / 12FILE PHOTO: A passenger wearing a mask stands on the deck of the cruise ship Diamond Princess, as the vessel's passengers continue to be tested for coronavirus, at Daikoku Pier Cruise Terminal in Yokohama, south of Tokyo, Japan February 13, 2020. REUTERS/Kim Kyung-Hoon/File Photo
