Chinese President Xi Jinping inspects the novel coronavirus prevention and control work at Anhuali Community in Beijing, China, February 10, 2020. Xinhua via REUTERS

Demonstrators scuffle with police as they try to cross barricades during a protest against a new citizenship law outside the Jamia Millia Islamia university in New Delhi, India, February 10, 2020.

Chinese nationals Chang Yueping, Yu Ling, Ou Qiang and Deng Hailan stand along the walkway as they appear at the Milimani Law Courts after they were arrested over the caning of a Kenyan worker at a Chinese restaurant and operating without valid immigration documentations in Nairobi, Kenya February 10, 2020.

Democratic 2020 U.S. presidential candidate and former Vice President Joe Biden chats with a local resident during a campaign event in Gilford, New Hampshire, U.S., February 10, 2020.

Democratic U.S. presidential candidate Amy Klobuchar speaks at Exeter Town Hall in Exeter, NH, U.S., February 10, 2020.

A supporter rallies with U.S. President Donald Trump in Manchester, New Hampshire, U.S. February 10, 2020.

A car drives past the Gazprom Neft's oil refinery in Omsk, Russia February 10, 2020.

Vietnamese people repatriated from Chinese city of Wuhan wearing protective suits arrive at Van Don airport, Quang Ninh province, Vietnam February 10, 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

A worker operates a machine to spray disinfectants at an industrial park following an outbreak of the novel coronavirus in the country, in Yantai, Shandong province, China February 9, 2020. Picture taken February 9, 2020. China Daily via REUTERS

Horseball players compete during a match between teams from France and Canada, organized by Horseball federation of Kyrgyzstan and the French embassy, in the village of Kok-Jar outside Bishkek, Kyrgyzstan February 9, 2020.

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.

A car drives past the Gazprom Neft's oil refinery in Omsk, Russia February 10, 2020. REUTERS/Alexey Malgavko TPX IMAGES OF THE DAY - RC2VXE97FX7T

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

U.S. President Donald Trump holds a campaign rally in Manchester, New Hampshire, U.S., February 10, 2020.

A group of chinstrap penguins walk on top of an iceberg floating near Lemaire Channel, Antarctica, February 6, 2020. REUTERS/Ueslei Marcelino

Workers operate a vehicle to carry out disinfection in Jianghan district, following an outbreak of the novel coronavirus in Wuhan, Hubei province, China February 10, 2020. China Daily via REUTERS

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

Democratic 2020 U.S. presidential candidate and former Vice President Joe Biden sits on a fire truck as he visits a fire department while campaigning in Londonderry, New Hampshire, U.S. February 10, 2020.

Rudi Hartono, a man dressed in Spiderman costume, looks at plastic waste as he collects rubbish at a beach in Pare-Pare, South Sulawesi province, Indonesia, January 18, 2020.