People wait seated to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

People wait seated to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

People wait seated to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

Medical worker prepares a dose of AstraZeneca "Covishield" coronavirus disease (COVID-19) vaccine produced by Serum Institute of India at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

A man receives a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

A man receives a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares, Mexico February 17, 2021. REUTERS/Daniel Becerril

Soldiers stand during a vaccination application of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares, Mexico February 17, 2021. REUTERS/Daniel Becerril

A man applies pressure to the injection site on his shoulder after receiving a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares, Mexico February 17, 2021. REUTERS/Daniel Becerril

People wait seated to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

People queue to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares, Mexico February 17, 2021. REUTERS/Daniel Becerril

A man prepares to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

A woman shows the number of the turn to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares Mexico February 17, 2021. REUTERS/Daniel Becerril

People queue to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares, Mexico February 17, 2021. REUTERS/Daniel Becerril

People queue to receive a dose of AstraZeneca coronavirus disease (COVID-19) vaccine at Municipal Gymnasium in Linares, Mexico February 17, 2021. REUTERS/Daniel Becerril

Members of Civil Protection serve dinner to homeless men in a gymnasium made available by Civil Protection to shelter homeless people in Nantes as winter weather with snow and cold temperatures hits northern France, February 9, 2021. REUTERS/Stephane Mahe

Members of Civil Protection host a homeless man in a gymnasium made available by Civil Protection to shelter homeless people in Nantes as winter weather with snow and cold temperatures hits northern France, February 9, 2021. REUTERS/Stephane Mahe

A member of Civil Protection hosts a homeless man in a tent in a gymnasium to shelter homeless people in Nantes as winter weather with snow and cold temperatures hits northern France, February 9, 2021. REUTERS/Stephane Mahe

Homeless men have their dinner next to tents made available by Civil Protection in a gymnasium to shelter homeless people in Nantes as winter weather with snow and cold temperatures hits northern France, February 9, 2021. REUTERS/Stephane Mahe

A member of Civil Protection prepares a bed inside a tent in a gymnasium made available by Civil Protection in a gymnasium to shelter homeless people in Nantes as winter weather with snow and cold temperatures hits northern France, February 9, 2021. REUTERS/Stephane Mahe

Members of Civil Protection host a homeless man in a gymnasium made available by Civil Protection to shelter homeless people in Nantes as winter weather with snow and cold temperatures hits northern France, February 9, 2021. REUTERS/Stephane Mahe

A healthcare worker receives a dose of the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessierr

Healthcare workers wait to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

A healthcare worker receives a dose of the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

A healthcare worker receives a dose of the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers queue to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers register to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers wait to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Vials of the Pfizer-BioNTech COVID-19 vaccine are seen at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

A healthcare worker receives a dose of the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers register to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

A nurse holds a vial of the Pfizer-BioNTech COVID-19 vaccine in a refrigerator at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers wait to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Nurses stand by a refrigerator storing the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers register to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

A healthcare worker receives a dose of the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers register to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Pfizer-BioNTech COVID-19 vaccines are seen at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Healthcare workers register to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

A healthcare worker prepares a dose of the Pfizer-BioNTech COVID-19 vaccine in a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Vials of the Pfizer-BioNTech COVID-19 vaccine are seen at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Vials of the Pfizer-BioNTech COVID-19 vaccine are seen at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Medical workers are seen in a COVID-19 vaccination center at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

Vials of the Pfizer-BioNTech COVID-19 vaccine are seen at a coronavirus disease vaccination center inside a gymnasium in Taverny near Paris, France, January 9, 2021. REUTERS/Benoit Tessier

First-time voter Donaji Martinez, 19, stands at a voting booth at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

People fill in documents at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

A social distancing marker is pictured as people vote at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

A sanitizing gel is pictured as people vote at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

A polling station worker gestures at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

A person holds an instruction manual while standing at a voting booth at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

People vote at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

A man votes at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

Jeff Kotz, 40, votes at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

People vote at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

First-time voter Donaji Martinez, 19, casts a vote at Santa Monica College gymnasium during the 2020 U.S. presidential election, in Santa Monica, California, U.S., November 3, 2020. REUTERS/Lucy Nicholson

People vote during the U.S. presidential election in the gymnasium of the Victory Park Recreation Center during the outbreak of the coronavirus disease (COVID-19), in Pasadena, California, U.S., November 2, 2020. REUTERS/Mario Anzuoni

People vote during the U.S. presidential election in the gymnasium of the Victory Park Recreation Center during the outbreak of the coronavirus disease (COVID-19), in Pasadena, California, U.S., November 2, 2020. REUTERS/Mario Anzuoni

A person votes during the U.S. presidential election in the gymnasium of the Victory Park Recreation Center during the outbreak of the coronavirus disease (COVID-19), in Pasadena, California, U.S., November 2, 2020. REUTERS/Mario Anzuoni

People vote during the U.S. presidential election in the gymnasium of the Victory Park Recreation Center during the outbreak of the coronavirus disease (COVID-19), in Pasadena, California, U.S., November 2, 2020. REUTERS/Mario Anzuoni

People vote during the U.S. presidential election in the gymnasium of the Victory Park Recreation Center during the outbreak of the coronavirus disease (COVID-19), in Pasadena, California, U.S., November 2, 2020. REUTERS/Mario Anzuoni

People vote during the U.S. presidential election in the gymnasium of the Victory Park Recreation Center during the outbreak of the coronavirus disease (COVID-19), in Pasadena, California, U.S., November 2, 2020. REUTERS/Mario Anzuoni