Tractors are seen during a farmers' protest against agricultural and food policies, amid the coronavirus disease (COVID-19) pandemic and during lockdown in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

Farmers attend a protest against agricultural and food policies, amid the coronavirus disease (COVID-19) pandemic and during lockdown in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

A member of the police guards during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

A farmer holds a flag on top of the historic Red Fort, during a protest against farm laws introduced by the government, in Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

Members of the police stand guard during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

Police officers walk towards farmers during a protest against farm laws introduced by the government, in New Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

Members of the police stand guard during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

Healthcare workers transport a patient at the Royal London Hospital, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, January 26, 2021. REUTERS/Hannah McKay

Police officers run during a protest of farmers against farm laws introduced by the government, at the historic Red Fort in Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

Demonstrators hold signs near members of the police during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

German Chancellor Angela Merkel prepares to speak in a virtual dialogue meeting of the World Economic Forum (WEF) at Davos, from the Chancellery in Berlin, Germany January 26, 2021. Sean Gallup/Pool via REUTERS

Healthcare workers transport a patient at the Royal London Hospital, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, January 26, 2021. REUTERS/Hannah McKay

A demonstrator looks on as he stands near policemen during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

A farmer kicks a tear gas canister during a protest against farm laws introduced by the government, in New Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

A farmer runs behind a police officer during a protest against farm laws introduced by the government, in New Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

German Chancellor Angela Merkel prepares to speak in a virtual dialogue meeting of the World Economic Forum (WEF) at Davos, from the Chancellery in Berlin, Germany January 26, 2021. Sean Gallup/Pool via REUTERS

German Chancellor Angela Merkel (R) prepares to speak in a virtual dialogue meeting of the World Economic Forum (WEF) at Davos, from the Chancellery in Berlin, Germany January 26, 2021. Sean Gallup/Pool via REUTERS

Health care workers transport a patient at the Royal London Hospital, as the spread of the coronavirus disease (COVID-19) continues, in London, Britain, January 26, 2021. REUTERS/Hannah McKay

A demonstrator gestures near policemen during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

A farmer holds a sword during a protest against farm laws introduced by the government, at the historic Red Fort in Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

German Chancellor Angela Merkel arrives to speak in a virtual dialogue meeting of the World Economic Forum (WEF) at Davos, from the Chancellery in Berlin, Germany January 26, 2021. Sean Gallup/Pool via REUTERS

A cat walks on an empty street during a lockdown to curb the spread of the coronavirus disease (COVID-19) in downtown Beirut, Lebanon, January 26, 2021. REUTERS/Aziz Taher

German Chancellor Angela Merkel prepares to speak in a virtual dialogue meeting of the World Economic Forum (WEF) at Davos, from the Chancellery in Berlin, Germany January 26, 2021. Sean Gallup/Pool via REUTERS

A demonstrator gestures near a policeman during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

Russian opposition figure Lyubov Sobol gives a news conference in Moscow, Russia January 26, 2021. REUTERS/Evgenia Novozhenina

Farmers participate in a protest against farm laws introduced by the government, at the historic Red Fort in Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

A farmer puts a flag on top of the historic Red Fort, during a protest against farm laws introduced by the government, in Delhi, India, January 26, 2021. REUTERS/Adnan Abidi

A demonstrator holds up a sign during an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

Medical workers take a brake from vaccinating people with the Chinese Sinopharm vaccine, as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

A woman receives a dose of the Chinese Sinopharm vaccine as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

A man receives a dose of the Chinese Sinopharm vaccine as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

People receive doses of the Chinese Sinopharm vaccine as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

Medical workers take a brake from vaccinating people with the Chinese Sinopharm vaccine, as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

People receive doses of the Chinese Sinopharm vaccine as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

Russian opposition figure Lyubov Sobol gives a news conference in Moscow, Russia January 26, 2021. REUTERS/Evgenia Novozhenina

A delivery man drives with medical blood supply amid the spread of coronavirus disease (COVID-19) in Abuja, Nigeria January 26, 2021. REUTERS/Afolabi Sotunde

People wait in line to receive the Chinese Sinopharm vaccine, as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

A man receives a dose of the Chinese Sinopharm vaccine as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

A woman receives a dose of the Chinese Sinopharm vaccine as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

People wait in line to receive the Chinese Sinopharm vaccine, as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

Russian opposition figure Lyubov Sobol gives a news conference in Moscow, Russia January 26, 2021. REUTERS/Evgenia Novozhenina

People wait in line to receive the Chinese Sinopharm vaccine, as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

People wait in line to receive the Chinese Sinopharm vaccine, as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

People wait in line to receive the Chinese Sinopharm vaccine, as the country begins mass vaccination for the coronavirus disease (COVID-19), in Belgrade, Serbia, January 26, 2021. REUTERS/Marko Djurica

The Olympic rings are pictured in front of the International Olympic Committee (IOC) headquarters during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, January 26, 2021. Picture taken with a fisheye lens. REUTERS/Denis Balibouse

Disposable medical masks given for free to socially needy people are pictured at the Wedding district city hall during an extended lockdown due to the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

The Olympic rings are pictured in front of the International Olympic Committee (IOC) headquarters during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, January 26, 2021. REUTERS/Denis Balibouse

Disposable medical masks given for free to socially needy people are pictured at the Wedding district city hall during an extended lockdown due to the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

The Olympic rings are pictured in front of the International Olympic Committee (IOC) headquarters during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, January 26, 2021. REUTERS/Denis Balibouse

The Olympic rings are pictured in front of the International Olympic Committee (IOC) headquarters during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, January 26, 2021. REUTERS/Denis Balibouse

An employee of the Wedding district city hall passes a sign reading 'mask on' during an extended lockdown due to the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

Demonstrators walk together as they take part in an anti-government protest in Tunis, Tunisia January 26, 2021. REUTERS/Zoubeir Souissi

An employee of the Wedding district city hall gives free disposable medical masks to socially needy people, during an extended lockdown due to the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

Russian opposition figure Lyubov Sobol gives a news conference in Moscow, Russia January 26, 2021. The sign reads: "Freedom to Navalny". REUTERS/Evgenia Novozhenina

Russian opposition figure Lyubov Sobol takes her face mask off during a news conference in Moscow, Russia January 26, 2021. The sign reads: "Freedom to Navalny". REUTERS/Evgenia Novozhenina

Best Western logo is seen on a hotel near the Manchester Airport, amid the outbreak of coronavirus (COVID-19) in Manchester, Britain January 26, 2021. REUTERS/Phil Noble

A person holds disposable face masks, that were given for free to socially needy people by the Wedding district city hall, during an extended lockdown due to the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

A car passes by the Central Bank headquarters in Abuja, Nigeria January 26, 2021. REUTERS/Afolabi Sotunde

An employee of the Wedding district city hall gives free disposable medical masks to socially needy people during an extended lockdown due to the coronavirus disease (COVID-19) pandemic, in Berlin, Germany, January 26, 2021. REUTERS/Fabrizio Bensch

Best Western logo is seen on a hotel near the Manchester Airport, amid the outbreak of coronavirus (COVID-19) in Manchester, Britain January 26, 2021. REUTERS/Phil Noble