People enjoy at the Gaviota Azul beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Cancun, Mexico April 17, 2022. REUTERS/Paola Chiomante 

People enjoy at the Tortuga beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Cancun, Mexico April 17, 2022. REUTERS/Paola Chiomante 

People enjoy at the Tortugas beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Cancun, Mexico April 17, 2022. REUTERS/Paola Chiomante 

People enjoy at the Tortugas beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Cancun, Mexico April 17, 2022. REUTERS/Paola Chiomante 

People enjoy at the Gaviota Azul beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Cancun, Mexico April 17, 2022. REUTERS/Paola Chiomante 

People enjoy at the Tortugas beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Cancun, Mexico April 17, 2022. REUTERS/Paola Chiomante 

People enjoy at the Santa Ana beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Veracruz, Mexico April 16, 2022. REUTERS/Yahir Ceballos 

People enjoy at the Villa del Mar beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Veracruz, Mexico April 16, 2022. REUTERS/Yahir Ceballos 

People enjoy at the Regatas beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Veracruz, Mexico April 16, 2022. REUTERS/Yahir Ceballos 

People enjoy at the Villa del Mar beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Veracruz, Mexico April 16, 2022. REUTERS/Yahir Ceballos 

People enjoy at the Villa del Mar beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Veracruz, Mexico April 16, 2022. REUTERS/Yahir Ceballos 

People enjoy at the Villa del Mar beach during Holy Week, after the Mexican authorities lowered the risk level against the COVID-19 pandemic, in Veracruz, Mexico April 16, 2022. REUTERS/Yahir Ceballos 

French teachers demonstrate against sanitary conditions in school, in front of the School Inspections Offices in Rennes, amid the rise of coronavirus disease (COVID-19) cases due to the Omicron variant in France, January 20, 2022. The banner reads "Blanquer resignation". REUTERS/Stephane Mahe 

French teachers demonstrate against sanitary conditions in school, in front of the School Inspections Offices in Rennes, amid the rise of coronavirus disease (COVID-19) cases due to the Omicron variant in France, January 20, 2022. The banner reads : "At school as elsewhere, resist, claim, win back". REUTERS/Stephane Mahe 

French teachers demonstrate against sanitary conditions in school, in front of the School Inspections Offices in Rennes, amid the rise of coronavirus disease (COVID-19) cases due to the Omicron variant in France, January 20, 2022. The banner reads "Blanquer resignation". REUTERS/Stephane Mahe 

French teachers demonstrate against sanitary conditions in school, in front of the School Inspections Offices in Rennes, amid the rise of coronavirus disease (COVID-19) cases due to the Omicron variant in France, January 20, 2022. The banner reads "Blanquer resignation". REUTERS/Stephane Mahe 

People sit on stools as they wait at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

Children play while waiting in the queue at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China January 12, 2022. REUTERS/Tyrone Siu 

People queue up at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

People queue up at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

People queue up at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

People queue up at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

People queue up at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

People queue up at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

People queue up at a community testing centre for the coronavirus disease (COVID-19), after the district has been identified as a high-risk area, in Tuen Mun, Hong Kong, China, January 12, 2022. REUTERS/Tyrone Siu 

A sign advertises Gothams' "Monoclonal Antibody Infusion Center" for coronavirus disease patients at the CHA Everett Hospital in Everett, Massachusetts, U.S., December 29, 2021. According to the state government, the "DPH has contracted with Gothams to facilitate the opening of three mobile sites for monoclonal antibody therapy for high-risk patients who have been exposed to or have COVID-19." REUTERS/Brian Snyder 

A sign advertises Gothams' "Monoclonal Antibody Infusion Center" for coronavirus disease patients at the CHA Everett Hospital in Everett, Massachusetts, U.S., December 29, 2021. According to the state government, the "DPH has contracted with Gothams to facilitate the opening of three mobile sites for monoclonal antibody therapy for high-risk patients who have been exposed to or have COVID-19." REUTERS/Brian Snyder 

A sign advertises Gothams' "Monoclonal Antibody Infusion Center" for coronavirus disease patients at the CHA Everett Hospital in Everett, Massachusetts, U.S., December 29, 2021. According to the state government, the "DPH has contracted with Gothams to facilitate the opening of three mobile sites for monoclonal antibody therapy for high-risk patients who have been exposed to or have COVID-19." REUTERS/Brian Snyder 

A sign advertises Gothams' "Monoclonal Antibody Infusion Center" for coronavirus disease patients at the CHA Everett Hospital in Everett, Massachusetts, U.S., December 29, 2021. According to the state government, the "DPH has contracted with Gothams to facilitate the opening of three mobile sites for monoclonal antibody therapy for high-risk patients who have been exposed to or have COVID-19." REUTERS/Brian Snyder 

A boy receives a dose of Pfizer-BioNTech's coronavirus disease (COVID-19) vaccine as the COVID-19 vaccination campaign continues amid talks of a fourth dose for high-risk groups including those over the age of 60, in Malcha shopping mall, Jerusalem, December 22, 2021. REUTERS/Ammar Awad 

A girl receives a dose of Pfizer-BioNTech's coronavirus disease (COVID-19) vaccine as the COVID-19 vaccination campaign continues amid talks of a fourth dose for high-risk groups including those over the age of 60, in Malcha shopping mall, Jerusalem, December 22, 2021. REUTERS/Ammar Awad 

A health worker prepares a dose of Pfizer-BioNTech's coronavirus disease (COVID-19) vaccine as the COVID-19 vaccination campaign continues amid talks of a fourth dose for high-risk groups including those over the age of 60, in Malcha shopping mall, Jerusalem, December 22, 2021. REUTERS/Ammar Awad 

A girl receives a dose of Pfizer-BioNTech's coronavirus disease (COVID-19) vaccine as the COVID-19 vaccination campaign continues amid talks of a fourth dose for high-risk groups including those over the age of 60, in Malcha shopping mall, Jerusalem, December 22, 2021. REUTERS/Ammar Awad 

A man is vaccinated as the coronavirus disease (COVID-19) vaccination campaign continues amid talks of a fourth dose for high-risk groups including those over the age of 60, in Malcha shopping mall, Jerusalem, December 22, 2021. REUTERS/Ammar Awad 

A man is vaccinated as the coronavirus disease (COVID-19) vaccination campaign continues amid talks of a fourth dose for high-risk groups including those over the age of 60, in Malcha shopping mall, Jerusalem, December 22, 2021. REUTERS/Ammar Awad 

A coffin with sign "risk of infection" is seen in the Meissen crematorium amid the coronavirus disease (COVID-19) pandemic in Meissen, Germany, November 26, 2021. REUTERS/Matthias Rietschel 

Kassam Shahadah, a Syrian doctor working in Poland, poses for a picture in a hospital where he works, in the north-eastern town of Grajewo, Poland, November 17, 2021. Picture taken November 17, 2021. REUTERS/Marko Djurica 

Kassam Shahadah, a Syrian doctor working in Poland, types on his computer in a hospital where he works, in the north-eastern town of Grajewo, Poland, November 17, 2021. Picture taken November 17, 2021. REUTERS/Marko Djurica 

Kassam Shahadah, a Syrian doctor working in Poland, poses for a picture in front of a hospital where he works, in the north-eastern town of Grajewo, Poland, November 17, 2021. Picture taken November 17, 2021. REUTERS/Marko Djurica 

Kassam Shahadah, a Syrian doctor working in Poland, talks to a colleague in a hospital where he works, in the north-eastern town of Grajewo, Poland, November 17, 2021. Picture taken November 17, 2021. REUTERS/Marko Djurica 

Kassam Shahadah, a Syrian doctor working in Poland, poses for a picture in a hospital where he works, in the north-eastern town of Grajewo, Poland, November 17, 2021. Picture taken November 17, 2021. REUTERS/Marko Djurica 

Kassam Shahadah, a Syrian doctor working in Poland, attends the funeral of Ahmed Al-Hassan, a 19-year-old migrant from Syria, in the town of Sokolka, Poland, November 15, 2021. Picture taken November 15, 2021. REUTERS/Marko Djurica 

Omide Marechal, 61, holds her 26-day-old grandson Peterson Espadieu on a hospital bed at the Centre Hospitalier du Sacre-Coeur in Port-au-Prince, Haiti, October 28, 2021. Peterson's mother died during childbirth. Haiti's hospitals are at risk of closing for lack of fuel and the lives of hundreds of thousands of women and children are at risk, United Nations children's agency UNICEF reported. REUTERS/Adrees Latif 

Omide Marechal, 61, cleans the cheeks of her 26-day-old grandson Peterson Espadieu at the Centre Hospitalier du Sacre-Coeur hospital in Port-au-Prince, Haiti October 28, 2021. Peterson's mother died during childbirth. Haiti's hospitals are at risk of closing for lack of fuel and the lives of hundreds of thousands of women and children are at risk, United Nations children's agency UNICEF reported. REUTERS/Adrees Latif TPX IMAGES OF THE DAY 

Maurice Jean, 77, is moved on a stretcher at the Centre Hospitalier du Sacre-Coeur hospital after being hit by a moving motorbike in Port-au-Prince, Haiti October 28, 2021. Haiti's hospitals are at risk of closing for lack of fuel and the lives of hundreds of thousands of women and children are at risk, United Nations children’s agency UNICEF reported. REUTERS/Adrees Latif 

Maurice Jean, 77, waits to be helped at the Centre Hospitalier du Sacre-Coeur hospital after being injured by a moving motorbike in Port-au-Prince, Haiti, October 28, 2021. Haiti's hospitals are at risk of closing for lack of fuel and the lives of hundreds of thousands of women and children are at risk, United Nations children's agency UNICEF reported. REUTERS/Adrees Latif 

Maurice Jean, 77, is placed onto a stretcher after being brought to the Centre Hospitalier du Sacre-Coeur in Port-au-Prince, Haiti, October 28, 2021. Haiti's hospitals are at risk of closing for lack of fuel and the lives of hundreds of thousands of women and children are at risk, United Nations children's agency UNICEF reported. REUTERS/Adrees Latif 

Omide Marechal, 61, lies next to her 26 days old grandson, Peterson Espadieu, on a hospital bed at the Centre Hospitalier du Sacre-Coeur in Port-au-Prince, Haiti October 28, 2021. Peterson's mother died during childbirth. Haiti's hospitals are at risk of closing for lack of fuel and the lives of hundreds of thousands of women and children are at risk, United Nations children's agency UNICEF reported. REUTERS/Adrees Latif 

A person wearing a face shield and protective face masks uses her phone at the shopping mall on the first day of coronavirus restrictions lift on retail and dining in Bangkok and other high-risk areas to revive the economy, as the country battles its worst coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, September 1, 2021. REUTERS/Chalinee Thirasupa 

A staff member prepares to open a restaurant on the first day of coronavirus restrictions lift on retail and dining in Bangkok and other high-risk areas to revive the economy, as the country battles its worst coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, September 1, 2021. REUTERS/Chalinee Thirasupa 

The COVID-19 sign is seen in front of a restaurant to ensure all service staff is fully vaccinated on the first day of coronavirus restrictions lift on retail and dining in Bangkok and other high-risk areas to revive the economy, as the country battles its worst coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, September 1, 2021. REUTERS/Chalinee Thirasupa 

A staff member prepares to open a restaurant on the first day of coronavirus restrictions lift on retail and dining in Bangkok and other high-risk areas to revive the economy, as the country battles its worst coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, September 1, 2021. REUTERS/Chalinee Thirasupa 

Staff members prepare to open a restaurant on the first day of coronavirus restrictions lift on retail and dining in Bangkok and other high-risk areas to revive the economy, as the country battles its worst coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, September 1, 2021. REUTERS/Chalinee Thirasupa 

A man looks at a police car driving past a house as families are about to be evicted from a building in risk of collapsing, in Valencia, Spain August 2, 2021. REUTERS/Eva Manez 

People gather as residents wait to be evicted from a building in risk of collapsing, in Valencia, Spain August 2, 2021. REUTERS/Eva Manez 

Residents negotiate with police officers as they wait to be evicted from a building in risk of collapsing, in Valencia, Spain August 2, 2021. REUTERS/Eva Manez 

People protest against the planned eviction of residents of a building in risk of collapsing, in Valencia, Spain August 2, 2021. REUTERS/Eva Manez 

People protest against the planned eviction of residents of a building in risk of collapsing, in Valencia, Spain August 2, 2021. REUTERS/Eva Manez 

A resident looks out from his home as he waits to be evicted from a building in risk of collapsing, in Valencia, Spain August 2, 2021. REUTERS/Eva Manez 

People gather as residents wait to be evicted from a building in risk of collapsing, in Valencia, Spain August 2, 2021. REUTERS/Eva Manez