A man wearing a face mask rides an escalator inside a shopping mall, following an outbreak of the novel coronavirus, in Beijing, China February 12, 2020.

Couples wearing masks for protection from the new coronavirus, attend a mass wedding ceremony of the Unification Church at Cheongshim Peace World Centre in Gapyeong, South Korea, February 7, 2020.

Best Supporting Actor Brad Pitt waits for his Oscar statue to be engraved at the Governors Ball following the 92nd Academy Awards in Los Angeles, California, U.S., February 9, 2020.

Large waves hit the harbour wall at Newhaven, southern Britain, February 11, 2020.

Meisam Salahi, whose younger brother Mohsen Salahi and sister-in-law Mahsa Amirliravi, were killed in the Ukrainian passenger jet shot down in Iran, poses at his home in the Toronto suburb of Richmond Hill, Ontario, Canada January 31, 2020.

Migrants are seen near the Serbian-Hungarian border as they protest to demand a passage to the European Union, near Kelebija, Serbia, February 6, 2020.

Children hold toy guns as they demonstrate newly learnt skills from military-style weapons training, to a Reuters journalist, in Ayahualtempa, Mexico, February 3, 2020. REUTERS/Alexandre Meneghini

Democratic U.S. presidential candidate Senator Bernie Sanders is accompanied by his wife Jane O’Meara Sanders and other relatives as he speaks at his New Hampshire primary night rally in Manchester, N.H., U.S., February 11, 2020.

A pair of chinstrap penguins swim near Two Hummock Island, Antarctica, February 2, 2020. REUTERS/Ueslei Marcelino

Traders wearing face masks are seen on the trading floor at a flower auction trading centre following an outbreak of the novel coronavirus in the country, in Kunming, Yunnan province, China February 10, 2020. cnsphoto via REUTERS

A police officer wears a mask as he walks in front of the Oriental Pearl Tower, as the country is hit by an outbreak of a new coronavirus, in Lujiazui financial district in Pudong, Shanghai, China, February 5, 2020. REUTERS/Aly Song

A model presents a creation from the Carolina Herrera Fall 2020 collection during New York Fashion Week in the Manhattan borough of New York, U.S., February 10, 2020.

Buildings and mosque are covered with snow in the old city of Mosul, Iraq February 10, 2020.

An orphaned kangaroo joey that was rescued during the bushfire season, stands inside the living room of partners Gary Wilson and Julie Willis's home, both of whom are animal carers, in the community of Wytaliba, New South Wales, Australia January 28, 2020. REUTERS/Jorge Silva

Kwak Sin Ae and Bong Joon Ho win the Oscar for Best Picture for "Parasite" at the 92nd Academy Awards in Hollywood, Los Angeles, California, U.S., February 9, 2020.

Cynthia Erivo poses on the red carpet during the Oscars arrivals at the 92nd Academy Awards in Hollywood, Los Angeles, California, U.S., February 9, 2020.

Democratic U.S. presidential candidate Senator Elizabeth Warren speaks to voters at a house party in Amherst, New Hampshire, U.S., April 20, 2019.

Members of Kurdish Peshmerga Special Forces demonstrate their skills during their graduation ceremony at a military camp in Soran district, in Erbil province, Iraq February 12, 2020.

A woman waves after hanging a Japanese flag that reads "shortage of medicine" on the cruise ship Diamond Princess, where 10 more people were tested positive for coronavirus on Thursday, to the port as it is anchored at Daikoku Pier Cruise Terminal in Yokohama, south of Tokyo, Japan February 7, 2020.