A health worker administers the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A health worker administers the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A health worker administers the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker draws a dose of the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

Batch labels of the AstraZeneca COVID-19 vaccine are seen at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A vial of the AstraZeneca COVID-19 vaccine is seen at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A vial of the AstraZeneca COVID-19 vaccine is seen at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

People, wearing protective face masks, wait to receive the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker draws a dose of the Pfizer-BioNTech COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker draws a dose of the Pfizer-BioNTech COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

People, wearing protective face masks, wait to receive the Pfizer-BioNTech COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

People, wearing protective face masks, wait to receive the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker draws a dose of the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

Prepared syringes of the AstraZeneca COVID-19 vaccine are seen at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

People, wearing protective face masks, wait to receive the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

People, wearing protective face masks, wait to receive the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker draws a dose of the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

People, wearing protective face masks, wait to receive the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker draws a dose of the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A vial of the AstraZeneca COVID-19 vaccine is seen at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A health worker administers the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A woman waits before receiving a dose of the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker holds a vial of the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

Prepared syringes of the AstraZeneca COVID-19 vaccine are seen at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

Prepared syringes of the AstraZeneca COVID-19 vaccine are seen at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A healthcare worker holds a vial of the AstraZeneca COVID-19 vaccine at the Clinique de l'Estree - ELSAN private hospital in Stains as part of the coronavirus disease (COVID-19) vaccination campaign in France, March 5, 2021. REUTERS/Benoit Tessier

A medical worker fills a syringe with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A medical worker fills a syringe with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A view shows a vial with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A view shows a vial with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A medical worker fills a syringe with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A medical worker fills a syringe with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A medical worker holds a vial with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A medical worker holds a syringe with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A patient receives a dose of the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A woman receives a dose of the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A medical worker holds a syringe with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A medical worker fills a syringe with the Oxford University/AstraZeneca vaccine against the coronavirus disease (COVID-19), which is produced in India and marketed as Covishield, at a private hospital in Kyiv, Ukraine, March 5, 2021. REUTERS/Valentyn Ogirenko

A private security guard receives the AstraZeneca/Oxford vaccine under the COVAX scheme against coronavirus disease (COVID-19) at the Kenyatta National Hospital in Nairobi, Kenya March 5, 2021. REUTERS/Monicah Mwangi

People sit next to empty oxygen tanks as they wait to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A man writes the name of a patient suffering from the coronavirus disease (COVID-19) on an empty oxygen tank while waiting along with others for a private oxygen supplier to refill them, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A person stands near empty oxygen tanks while waiting along with others to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A man drags an empty oxygen tank as he and others are waiting to refill it for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People sit near empty oxygen tanks while waiting to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

Empty oxygen tanks are seen as people wait to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

A worker from a private oxygen supplier disinfects empty oxygen tanks as people wait to fill them up for patients suffering from the coronavirus disease (COVID-19), in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People wait next to empty oxygen tanks to fill them up for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda TPX IMAGES OF THE DAY

People stand with empty oxygen tanks while waiting to refill them for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People wait next to empty oxygen tanks to fill them up for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People arrive to fill up an empty oxygen tank for a patient suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

People wait next to empty oxygen tanks to fill them up for patients suffering from the coronavirus disease (COVID-19), outside a private oxygen supplier, in Lima, Peru February 25, 2021. REUTERS/Sebastian Castaneda

Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

Sotheby's Paris employees pose with the 1887 painting of a Paris street scene "Scene de rue a Montmartre" by Dutch painter Vincent Van Gogh which will be presented to the public for the first time after spending more than a century behind closed doors in the private collection of a French family, France, February 24, 2021. REUTERS/Christian Hartmann

Bria Emanuel, 27, touches the body of her father, Samuel Emanuel Jr., 55, who died from complications from the coronavirus disease (COVID-19), during a private viewing held for the family at Pryority Funeral Experience in Houston, Texas, U.S., February 11, 2021. REUTERS/Callaghan O'Hare SEARCH "FUNERALS O'HARE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Samantha Emanuel reacts while viewing the body of her father, Samuel Emanuel Jr., 55, who died from complications from the coronavirus disease (COVID-19), during a private viewing held for the family at Pryority Funeral Experience, in Houston, Texas, U.S., February 11, 2021. REUTERS/Callaghan O'Hare SEARCH "FUNERALS O'HARE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY

Bridgette Emanuel sits with her grandson, Jasiah Beckles, 9, as Almika Pryor, the funeral director of Pryority Funeral Experience, stands behind them during a private family viewing for Bridgette's husband, Samuel Emanuel Jr., who died from complications from the coronavirus disease (COVID-19), at Pryority Funeral Experience, in Houston, Texas, U.S., February 11, 2021. Almika Pryor was also the cousin of Samuel Emanuel Jr. "It feels wrong just leaving him here, I feel like he should be coming home with us," said Bridgette. REUTERS/Callaghan O'Hare SEARCH "FUNERALS O'HARE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Bridgette Emanuel and Samantha Emanuel offer words of comfort to Jasiah Beckles, 9, as he views the body of his grandfather, Samuel Emanuel Jr., who died from complications from the coronavirus disease (COVID-19), during a private viewing held for the family at Pryority Funeral Experience, in Houston, Texas, U.S., February 11, 2021. "It feels wrong just leaving him here, I feel like he should be coming home with us," said Bridgette. REUTERS/Callaghan O'Hare SEARCH "FUNERALS O'HARE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES