A healthcare worker administers the Johnson & Johnson's coronavirus disease (COVID-19) vaccine to a person at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

A healthcare worker administers the Johnson & Johnson's coronavirus disease (COVID-19) vaccine to a person at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

A healthcare worker administers the Johnson & Johnson's coronavirus disease (COVID-19) vaccine to a person at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

A healthcare worker administers the Johnson & Johnson's coronavirus disease (COVID-19) vaccine to a person at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Rupert Cheney holds his dog Romo as he speaks to a healthcare worker before receiving his Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Rupert Cheney holds his dog Romo as he speaks to a healthcare worker before receiving his Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Vehicles line up during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Vehicles line up during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Volunteer healthcare workers arrive to a mass vaccination site of the Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Vehicles line up during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Vehicles line up during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

A demonstrator wearing a face mask to prevent the spread of the coronavirus disease (COVID-19) flashes the V sign during a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

Vehicles line up during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

A demonstrator wears a face mask to prevent the spread of the coronavirus disease (COVID-19) with a slogan reading "Justice For Women" during a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

A demonstrator wears a face mask to prevent the spread of the coronavirus disease (COVID-19) with a slogan reading "Justice For Women" during a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

A demonstrator wears a face mask to prevent the spread of the coronavirus disease (COVID-19) with a slogan reading "Justice For Women" during a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

Empty Seine river banks are seen after police forced crowds of people not respecting social distancing to leave, amid coronavirus disease (COVID-19) pandemic, on a sunny afternoon in Paris, France March 6, 2021. REUTERS/Michel Rose

Vehicles line up during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Vehicles line up during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S. March 6, 2021. REUTERS/Elizabeth Frantz

A volunteer directs traffic during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Empty Seine river banks are seen after police forced crowds of people not respecting social distancing to leave, amid coronavirus disease (COVID-19) pandemic, on a sunny afternoon in Paris, France March 6, 2021. REUTERS/Michel Rose

A volunteer directs traffic during a mass vaccination event for Johnson & Johnson's coronavirus disease (COVID-19) vaccine at New Hampshire Motor Speedway in Loudon, New Hampshire, U.S., March 6, 2021. REUTERS/Elizabeth Frantz

Demonstrators wearing face masks to prevent the spread of the coronavirus disease (COVID-19) hold a rainbow-coloured umbrella during a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

Demonstrators wearing face masks to prevent the spread of the coronavirus disease (COVID-19) take part in a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

Demonstrators wearing face masks to prevent the spread of the coronavirus disease (COVID-19) shout slogans during a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

People take part in a rally ahead of the International Women's Day near the Kadikoy pier in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

People take part in a rally ahead of the International Women's Day near the Kadikoy pier in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

Demonstrators wearing face masks to prevent the spread of the coronavirus disease (COVID-19) shout slogans during a rally ahead of the International Women's Day in Istanbul, Turkey March 6, 2021. REUTERS/Murad Sezer

Members of the aid and welfare organizations ASB, DRK, DLRG, Johanniter and Malteser, who run vaccination centers with the initiative "We help Berlin", stand at the former Tempelhof airport, where the next center will open in two days, in Berlin, Germany, March 6, 2021. REUTERS/Hannibal Hanschke

Members of the aid and welfare organizations ASB, DRK, DLRG, Johanniter and Malteser, who run vaccination centers with the initiative "We help Berlin", walk at the former Tempelhof airport, where the next center will open in two days, in Berlin, Germany, March 6, 2021. REUTERS/Hannibal Hanschke

A man walks on an empty street past closed stores in a popular shopping district, after the Sao Paulo state government mandated further restrictions to curb the spread of coronavirus disease (COVID-19), in Sao Paulo, Brazil March 6, 2021. REUTERS/Carla Carniel

A man walks on an empty street past closed stores in a popular shopping district, after the Sao Paulo state government mandated further restrictions to curb the spread of coronavirus disease (COVID-19), in Sao Paulo, Brazil March 6, 2021. The sign reads: "COVID rapid test from R$ 89.90." REUTERS/Carla Carniel

A woman walks on an empty street past closed stores in a popular shopping district, after the Sao Paulo state government mandated further restrictions to curb the spread of coronavirus disease (COVID-19), in Sao Paulo, Brazil March 6, 2021. The sign reads: "COVID rapid test from R$ 89.90." REUTERS/Carla Carniel

People walk past closed stores on an empty street in a popular shopping district, after the Sao Paulo state government mandated further restrictions to curb the spread of coronavirus disease (COVID-19), in Sao Paulo, Brazil March 6, 2021. REUTERS/Carla Carniel

An empty street with closed stores at a popular shopping district is pictured, after the Sao Paulo state government mandated further restrictions to curb the spread of coronavirus disease (COVID-19), in Sao Paulo, Brazil March 6, 2021. REUTERS/Carla Carniel

An empty street with closed stores at a popular shopping district is pictured, after the Sao Paulo state government mandated further restrictions to curb the spread of coronavirus disease (COVID-19), in Sao Paulo, Brazil March 6, 2021. REUTERS/Carla Carniel

People walk past closed stores on an empty street in a popular shopping district, after the Sao Paulo state government mandated further restrictions to curb the spread of coronavirus disease (COVID-19), in Sao Paulo, Brazil March 6, 2021. REUTERS/Carla Carniel

People queue before "Back To Live Dance Event" at the Ziggo Dome, Amsterdam's largest music venue, as it reopens for the first time since the coronavirus disease (COVID-19) pandemic began, in Amsterdam, Netherlands, March 6, 2021. REUTERS/Eva Plevier

People queue before "Back To Live Dance Event" at the Ziggo Dome, Amsterdam's largest music venue, as it reopens for the first time since the coronavirus disease (COVID-19) pandemic began, in Amsterdam, Netherlands, March 6, 2021. REUTERS/Eva Plevier

People queue at the Ziggo Dome, Amsterdam's largest music venue, as it reopens for the first time since the coronavirus disease (COVID-19) pandemic began, in Amsterdam, Netherlands, March 6, 2021. REUTERS/Eva Plevier

People queue at the Ziggo Dome, Amsterdam's largest music venue, as it reopens for the first time since the coronavirus disease (COVID-19) pandemic began, in Amsterdam, Netherlands, March 6, 2021. REUTERS/Eva Plevier

A woman stretches on an empty and closed Promenade des Anglais during the second local weekend lockdown imposed to slow the rate of the coronavirus disease (COVID-19) contagion in Nice, France, March 6, 2021. REUTERS/Eric Gaillard

A view shows a protective ribbon and barriers on an empty and closed Promenade des Anglais during the second local weekend lockdown imposed to slow the rate of the coronavirus disease (COVID-19) contagion in Nice, France, March 6, 2021. REUTERS/Eric Gaillard

A view shows a sign reading "Pedestrian traffic prohibited" on a closed Promenade des Anglais during the second local weekend lockdown imposed to slow the rate of the coronavirus disease (COVID-19) contagion in Nice, France, March 6, 2021. REUTERS/Eric Gaillard

French Gendarmes check on cars during the second local weekend lockdown imposed to slow the rate of the coronavirus disease (COVID-19) contagion in Nice, France, March 6, 2021. REUTERS/Eric Gaillard

People wearing protective face masks walk past a shop during the second local weekend lockdown imposed to slow the rate of the coronavirus disease (COVID-19) contagion in Nice, France, March 6, 2021. REUTERS/Eric Gaillard

A view shows a protective ribbon on an empty and closed Promenade des Anglais during the second local weekend lockdown imposed to slow the rate of the coronavirus disease (COVID-19) contagion in Nice, France, March 6, 2021. REUTERS/Eric Gaillard

A woman makes the feminist triangle gesture during a protest under the banner "Sex is not gender. The Constitution protects us" ahead of the International Women's Day amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 6, 2021. REUTERS/Susana Vera

A woman makes the feminist triangle gesture during a protest under the banner "Sex is not a gender. The Constitution protects us" ahead of the International Women's Day amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, March 6, 2021. REUTERS/Susana Vera

A doorman adjusts his uniform as he stands outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain March 6, 2021. REUTERS/Toby Melville

A flag flutters outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain March 6, 2021. REUTERS/Toby Melville

A doorman adjusts his face mask as he stands outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain March 6, 2021. REUTERS/Toby Melville

Police officers stand outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain March 6, 2021. REUTERS/Toby Melville

Police officers stand outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain March 6, 2021. REUTERS/Toby Melville

Anti-Olympics group's members march near the National Stadium, the main stadium of Tokyo 2020 Olympics and Paralympics that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan March 6, 2021. REUTERS/Hideto Sakai

Police officers stand outside King Edward VII's Hospital, where Britain's Prince Philip was admitted, in London, Britain March 6, 2021. REUTERS/Toby Melville

Attendees celebrate the Sydney Gay and Lesbian Mardi Gras Parade under the coronavirus disease (COVID-19) safety guidelines at the Sydney Cricket Ground in Sydney, Australia, March 6, 2021. REUTERS/Loren Elliott TPX IMAGES OF THE DAY

Attendees celebrate the Sydney Gay and Lesbian Mardi Gras Parade under the coronavirus disease (COVID-19) safety guidelines at the Sydney Cricket Ground in Sydney, Australia, March 6, 2021. REUTERS/Loren Elliott

Attendees celebrate the Sydney Gay and Lesbian Mardi Gras Parade under the coronavirus disease (COVID-19) safety guidelines at the Sydney Cricket Ground in Sydney, Australia, March 6, 2021. REUTERS/Loren Elliott

Attendees celebrate the Sydney Gay and Lesbian Mardi Gras Parade under the coronavirus disease (COVID-19) safety guidelines at the Sydney Cricket Ground in Sydney, Australia, March 6, 2021. REUTERS/Loren Elliott