Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Switzerland's Beat Feuz reacts after his run REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Switzerland's Beat Feuz in action REUTERS/Lisi Niesner

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Switzerland's Beat Feuz in action REUTERS/Lisi Niesner

A security guard wearing a protective mask stands in front of the communist flag at the National Convention Center, the venue for the upcoming 13th national congress of the ruling Communist Party of Vietnam, in Hanoi, Vietnam January 22, 2021. REUTERS/Kham

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Austria's Max Franz reacts after his run REUTERS/Leonhard Foeger

Women wearing traditional long dress 'ao dai', stand near a giant poster at the National Convention Center, the venue for the upcoming 13th national congress of the ruling Communist Party of Vietnam, in Hanoi, Vietnam January 22, 2021. REUTERS/Kham

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Austria's Max Franz in action REUTERS/Lisi Niesner

Nuns arrive at Lord's Cricket Ground to receive the coronavirus vaccine, amid the outbreak of coronavirus disease (COVID-19) in London, Britain, January 22, 2021. REUTERS/John Sibley

A man wearing a protective mask, walks past a national and communist flags at the National Convention Center, the venue for the upcoming 13th national congress of the ruling Communist Party of Vietnam, in Hanoi, Vietnam January 22, 2021. REUTERS/Kham

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Austria's Vincent Kriechmayr reacts after his run REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Austria's Vincent Kriechmayr after his run REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Austria's Vincent Kriechmayr in action REUTERS/Lisi Niesner

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Austria's Vincent Kriechmayr in action REUTERS/Lisi Niesner

Women wearing traditional long dress 'ao dai' sit in front of the communist symbol as they look at the posing photos at the National Convention Center, the venue for the upcoming 13th national congress of the ruling Communist Party of Vietnam, in Hanoi, Vietnam January 22, 2021. REUTERS/Kham

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Germany's Romed Baumann reacts after his run REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Germany's Romed Baumann in action REUTERS/Lisi Niesner

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Germany's Romed Baumann in action REUTERS/Lisi Niesner

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Norway's Kjetil Jansrud reacts after his run REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Norway's Kjetil Jansrud in action REUTERS/Lisi Niesner

A member of staff guides a man wearing a protective mask to the queue for vaccinations at Lord's Cricket Ground, amid the outbreak of the coronavirus disease (COVID-19) in London, Britain, January 22, 2021. REUTERS/John Sibley

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 Norway's Kjetil Jansrud in action REUTERS/Lisi Niesner

German Health Minister Jens Spahn, President of the German Interdisciplinary Association for Intensive Care and Emergency Medicine (DIVI) Gernot Marx and Director of the Institute for Virology at the Charite Christian Drosten stand after a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Lothar Wieler, the head of Germany's Robert Koch Institute (RKI) for disease control, and Director of the Institute for Virology at the Charite Christian Drosten leave after a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Director of the Institute for Virology at the Charite Christian Drosten is reflected in a glass as he leaves a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

A woman wearing a protective mask is greeted by a member of staff as she joins the queue for vaccinations at Lord's Cricket Ground, amid the outbreak of the coronavirus disease (COVID-19) in London, Britain, January 22, 2021. REUTERS/John Sibley

A medical worker in protective suit talks to a man at a makeshift community testing centre at Jordan residential area, in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

A medical worker in a protective suit helps a resident to register at a makeshift community testing centre at Jordan residential area, in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

A man wearing a protective mask walks along a queue for vaccinations at Lord's Cricket Ground, amid the outbreak of the coronavirus disease (COVID-19) in London, Britain, January 22, 2021. REUTERS/John Sibley

A person wearing a protective mask walks past a banner advertising vaccination at Lord's Cricket Ground, amid the outbreak of the coronavirus disease (COVID-19) in London, Britain, January 22, 2021. REUTERS/John Sibley

A resident wears a face mask and a shield as she walks at a wet market at Jordan residential area, in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

Residents queue up for mandatory coronavirus disease (COVID-19) testing at a makeshift community testing centre at Jordan residential area, in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

A man wearing a protective mask walks past a low relief outside Lord's Cricket Ground, amid the outbreak of the coronavirus disease (COVID-19) in London, Britain, January 22, 2021. REUTERS/John Sibley

A medical worker in a protective suit prepares a makeshift community testing centre outside at a residential area at Jordan where tens of thousands of its residents will be placed in a lockdown to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

Workers in protective suits check sewage system at a residential area at Jordan where tens of thousands of its residents will be placed in a lockdown to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

A medical worker in a protective suit is seen inside one of the buildings at a residential area at Jordan where tens of thousands of its residents will be placed in a lockdown to contain a new outbreak of the coronavirus disease (COVID-19), in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

People wait in line to enter Lord's Cricket Ground to receive the coronavirus vaccine, amid the outbreak of the coronavirus disease (COVID-19), in London, Britain, January 22, 2021. REUTERS/John Sibley

Director of the Institute for Virology at the Charite Christian Drosten arrives by bicycle for a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 General view of the finish area REUTERS/Leonhard Foeger

Alpine Skiing - Men's Downhill - Kitzbuehel, Austria - January 22, 2021 General view of the finish area REUTERS/Leonhard Foeger

A man reads a newspaper as he waits to enter Lord's Cricket Ground to receive the coronavirus vaccine, amid the outbreak of the coronavirus disease (COVID-19), in London, Britain, January 22, 2021. REUTERS/John Sibley

German Health Minister Jens Spahn attends a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

German Health Minister Jens Spahn speaks during a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Director of the Institute for Virology at the Charite Christian Drosten speaks during a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

German Health Minister Jens Spahn speaks during a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Nuns arrive at Lord's Cricket Ground to receive the coronavirus vaccine, amid the outbreak of the coronavirus disease (COVID-19), in London, Britain, January 22, 2021. REUTERS/John Sibley

Nuns arrive at Lord's Cricket Ground to receive the coronavirus vaccine, amid the outbreak of the coronavirus disease (COVID-19), in London, Britain, January 22, 2021. REUTERS/John Sibley

A resident attends mandatory coronavirus disease (COVID-19) testing at a makeshift community testing centre at Jordan, in Hong Kong, China January 22, 2021. REUTERS/Tyrone Siu

A man holds a phone as supporters of India's main opposition Congress party hold placards with pictures of Arnab Goswami, one of India's top TV news anchors, during a protest in Mumbai, India, January 22, 2021. REUTERS/Francis Mascarenhas

Lothar Wieler, the head of Germany's Robert Koch Institute (RKI) for disease control, and German Health Minister Spahn attend a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Director of the Institute for Virology at the Charite Christian Drosten arrives for a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Director of the Institute for Virology at the Charite Christian Drosten and German Health Minister Jens Spahn stand next to media ahead of a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

A supporter of India's main opposition Congress party hits a poster of Arnab Goswami, one of India's top TV news anchors, during a protest in Mumbai, India, January 22, 2021. REUTERS/Francis Mascarenhas

President of the German Interdisciplinary Association for Intensive Care and Emergency Medicine (DIVI) Gernot Marx attends a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

Lothar Wieler, the head of Germany's Robert Koch Institute (RKI) for disease control, speaks during a news conference, amid the spread of the coronavirus disease (COVID-19), in Berlin, Germany, January 22, 2021. REUTERS/Fabrizio Bensch/Pool

The logo of Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, is seen through signboards, at Tokyo Metropolitan Government Office building in Tokyo, Japan January 22, 2021. REUTERS/Issei Kato

The logo of Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, is seen through signboards, at Tokyo Metropolitan Government Office building in Tokyo, Japan January 22, 2021. REUTERS/Issei Kato

Japanese Prime Minister Yoshihide Suga attends a meeting of the coronavirus disease (COVID-19) infection control headquarters at the prime minister's office in Tokyo, Japan January 22, 2021. Kazuhiro Nogi/Pool via REUTERS

The logo of Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, is displayed at Tokyo Metropolitan Government Office building in Tokyo, Japan January 22, 2021. REUTERS/Issei Kato

Japanese Prime Minister Yoshihide Suga speaks during a meeting of the coronavirus disease (COVID-19) infection control headquarters at the prime minister's office in Tokyo, Japan January 22, 2021. Kazuhiro Nogi/Pool via REUTERS

Japanese Prime Minister Yoshihide Suga speaks during a meeting of the coronavirus disease (COVID-19) infection control headquarters at the prime minister's office in Tokyo, Japan January 22, 2021. Kazuhiro Nogi/Pool via REUTERS