People walk and a woman jogs at sunset in Brighton, as the spread of the coronavirus disease (COVID-19) continues, in Brighton, Britain, March 24, 2020. REUTERS/Peter Cziborra 

People walk and woman cycle during the sunset in Brighton, as the spread of the coronavirus disease (COVID-19) continues, in Brighton, Britain, March 24, 2020. REUTERS/Peter Cziborra 

People walk during sunset in Battersea Park, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, March 24, 2020. REUTERS/Dylan Martinez 

A woman jogs during sunset in Battersea Park, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, March 24, 2020. REUTERS/Dylan Martinez 

General view of pigeons flying overhead. Milton Keynes, Britain March 22, 2020 REUTERS/Andrew Boyers 

Faithful worship during a church service amid concerns about the spread of coronavirus disease (COVID-19) at the Apostolic Christian Church in Kagiso, west of Johannesburg, South Africa, March 22, 2020. REUTERS/Siphiwe Sibeko 

A view of a closed mosque, as Friday prayers were suspended following the spread of the coronavirus disease (COVID-19), in Algiers, Algeria March 20, 2020. REUTERS/Ramzi Boudina 

A man looks at a multiple screen as Mass is transmitted via online by Bolivian Catholic service after the government has asked to stay indoors to prevent the spread of the coronavirus disease (COVID-19), in La Paz, Bolivia, March19, 2020. REUTERS/David Mercado 

Discarded latex gloves lay across a walkway at the U.S. Capitol ahead of a Senate lunch meeting on response to the coronavirus disease (COVID-19) on Capitol Hill in Washington, U.S., March 19, 2020. REUTERS/Tom Brenner 

Drops of disinfectant are seen on a handle after a train carriage was sprayed to prevent the spread of coronavirus disease (COVID-19), at the main railway station in Nairobi, Kenya, March 17, 2020. REUTERS/Baz Ratner 

Taxis are pictured at the main bus station during the outbreak of the coronavirus disease (COVID-19) in Berlin, Germany, March 17, 2020. REUTERS/Fabrizio Bensch 

Pergolas are seen at a beach after Israel's health ministry urged people not to leave their homes except to seek "vital needs and services" in new directives in precautionary measures against coronavirus, in Ashkelon, Israel March 17, 2020. REUTERS/Amir Cohen 

Motorists line up to enter Singapore from Johor on the Woodlands Causeway, hours before Malaysia imposes a lockdown on travel due to the coronavirus outbreak March 17, 2020. REUTERS/Edgar Su 

Brussels are offered on a farmer's market during the outbreak of coronavirus disease (COVID-19) in Hamburg, Germany, March 17, 2020. REUTERS/Fabian Bimmer 

Bats fly out of the cave at Wat Khao Chong Phran in Ratchaburi, Thailand March 13, 2020. Picture taken March 13, 2020. REUTERS/Juarawee Kittisilpa TPX IMAGES OF THE DAY 

Workers sort onions for sale at a traditional market in Jakarta, Indonesia March 12, 2020. Picture taken March 12, 2020. REUTERS/Ajeng Dinar Ulfiana 

Riot policemen clash with demonstrators in front of government house (unseen) at a rally during the International Women's Day in Santiago, Chile March 8, 2020. REUTERS/Juan Gonzalez 

Greek soldiers patrol near Turkey's Pazarkule border crossing, in Kastanies, Greece March 8, 2020. REUTERS/Florion Goga 

Women from different organisations light candles to mark the International Women's Day in Dhaka, Bangladesh, March 8, 2020. REUTERS/Mohammad Ponir Hossain 

Greek riot police officers stand guard, as migrants are seen on the other side of the border fence, near Greece's Kastanies border crossing with Turkey's Pazarkule, with the city of Edirne seen in the background, in Kastanies, Greece March 7, 2020. REUTERS/Alexandros Avramidis 

Greek riot police officers stand guard amid tear gas, next to the border fence, near Greece's Kastanies border crossing with Turkey's Pazarkule, with the city of Edirne seen in the background, in Kastanies, Greece March 7, 2020. REUTERS/Alexandros Avramidis 

Clouds of tear gas rises in the air near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Smoke and fire are seen near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Smoke and fire are seen near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Smoke and fire are seen near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Greek soldiers and riot police officers stand guard near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Greek soldiers and riot police officers stand amid clouds of tear gas near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Greek riot police officers stand guard as tear gas is being fired near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Clouds of tear gas are seen near Turkey's Pazarkule border crossing, in Kastanies, Greece March 7, 2020. REUTERS/Florion Goga 

Demonstrators take cover behind a tree during a clash with police at a protest against Chile's government in Santiago, Chile March 6, 2020. REUTERS/Pablo Sanhueza 

A police water cannon vehicle is set aflame during clashes with demonstrators during a protest against Chile's government in Santiago, Chile March 6, 2020. REUTERS/Pablo Sanhueza 

Police officers take up their positions bheind riot shields during a protest against Chile's government in Santiago, Chile March 6, 2020. REUTERS/Pablo Sanhueza 

Riot police officers take up positions behind riot shields during a protest against Chile's government in Santiago, Chile March 6, 2020. REUTERS/Pablo Sanhueza 

Demonstrators react near a riot police vehicle which was set on fire during a protest against Chile's government in Santiago, Chile March 6, 2020. REUTERS/Ivan Alvarado 

Demonstrators react as a police vehicle is set ablaze during clashes with police at a protest against Chile's government in Santiago, Chile March 6, 2020. REUTERS/Pablo Sanhueza 

Greek riot police officers stand guard as tear gas is fired near the Turkey's Pazarkule border crossing, in Kastanies, Greece March 6, 2020. REUTERS/Florion Goga 

Greek riot police officers stand guard as tear gas is fired near the Turkey's Pazarkule border crossing, in Kastanies, Greece March 6, 2020. REUTERS/Florion Goga 

Migrants are silhouetted next to fires at the border fence, as see from Greece's Kastanies border crossing with Turkey's Pazarkule, with the city of Edirne seen in the background, in Kastanies, Greece, March 6, 2020. REUTERS/Alexandros Avramidis 

Migrants are silhouetted next to fires at the border fence, as see from Greece's Kastanies border crossing with Turkey's Pazarkule, with the city of Edirne seen in the background, in Kastanies, Greece, March 6, 2020. REUTERS/Alexandros Avramidis 

Migrants clash with Greek riot police at Turkey's Pazarkule border crossing with Greece's Kastanies, near Edirne, Turkey, March 6, 2020. REUTERS/Marko Djurica 

People hold the handrail on the subway after further cases of coronavirus were confirmed in New York City, New York, U.S., March 6, 2020. REUTERS/Andrew Kelly 

General view of Kaaba at the Grand Mosque which is almost empty of worshippers, after Saudi authority suspended umrah (Islamic pilgrimage to Mecca) amid the fear of coronavirus outbreak, at Muslim holy city of Mecca, Saudi Arabia March 6, 2020. REUTERS/Ganoo Essa 

Seagulls fly over a fishing boat on the waters of the North Aegean Sea off the shores of Balikesir, Turkey, March 6, 2020. REUTERS/Umit Bektas 

Dogs are seen at a dockside following the outbreak of the new coronavirus, in Hong Kong, China March 6, 2020. REUTERS/Tyrone Siu 

Greek riot police officers walk amid clouds of tear gas near Turkey's Pazarkule border crossing, in Kastanies, Greece March 6, 2020. REUTERS/Florion Goga 

Greek riot police officers stand guard amid clouds of tear gas near Turkey's Pazarkule border crossing, in Kastanies, Greece March 6, 2020. REUTERS/Florion Goga 

Ducks are seen in a pigpen at a village in Henan province, China January 14, 2020. Picture taken January 14, 2020. To match Special Report SWINEFEVER-CHINA/EPIDEMIC REUTERS/Jason Lee 

Two migrants who crossed the border from Turkey to Greece run through a field, near the town of Soufli, in the region of Evros, Greece, March 5, 2020. REUTERS/Alexandros Avramidis 

Migrants rest in a marketplace next to Tunca river in Edirne, Turkey March 5, 2020. REUTERS/Leonhard Foeger 

Soldiers stand guard as tear gas is being fired near the Turkey's Pazarkule border crossing, in Kastanies, Greece March 4, 2020. REUTERS/Florion Goga 

Tear gas floats in the air as migrants walk towards the Turkey's Pazarkule border crossing with Greece's Kastanies, near Edirne, Turkey, March 4, 2020. REUTERS/Leonhard Foeger 

Children from the indigenous Wichi community pose for a photograph barefoot, in the Salta province, Argentina, February 27, 2020. Picture taken February 27, 2020. REUTERS/Ueslei Marcelino 

Tear gas floats in the air as migrants walk towards the Turkey's Pazarkule border crossing with Greece's Kastanies, near Edirne, Turkey, March 2, 2020. REUTERS/Leonhard Foeger 

Migrants walk along a road, parallel to the border line, to reach Greece as they are pictured near Karpuzlu village of the Turkish border city of Edirne, Turkey, March 1, 2020. REUTERS/Umit Bektas 

Migrants walk towards the Turkey's Pazarkule border crossing with Greece's Kastanies, near Edirne, Turkey March 1, 2020. REUTERS/Leonhard Foeger 

Two male geese fight as two females watch during a traditional goose fight as part of celebrations of Maslenitsa, also known as Pancake Week, which is a pagan holiday marking the end of winter, in Suzdal, Russia February 29, 2020. REUTERS/Maxim Shemetov 

Two male geese fight as two females watch during a traditional goose fight during celebrations of Maslenitsa, also known as Pancake Week, which is a pagan holiday marking the end of winter, in Suzdal, Russia February 29, 2020. REUTERS/Maxim Shemetov 

An anti-explosive dog is seen in a coca leaf plantation in Tumaco, Colombia February 26, 2020. Picture taken February 26, 2020. REUTERS/Luisa Gonzalez 

A swarm of newly hatched desert locusts is seen on a road near the town of Archers Post, Samburu County, Kenya, February 20, 2020. Picture taken February 20, 2020. REUTERS/Baz Ratner 

A swarm of desert locusts flies over a ranch near the town of Nanyuki in Laikipia county, Kenya, February 21, 2020. Picture taken February 21, 2020. REUTERS/Baz Ratner