People wearing face masks cross a road amid the coronavirus disease (COVID-19) outbreak in Singapore May 14, 2021. REUTERS/Caroline Chia

People wearing face masks cross a road amid the coronavirus disease (COVID-19) outbreak in Singapore May 14, 2021. REUTERS/Caroline Chia

People wearing face masks walk out of a mall amid the coronavirus disease (COVID-19) outbreak in Singapore May 14, 2021. REUTERS/Caroline Chia

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 14, 2021 A marshal wearing a protective face mask during the third round Action Images via Reuters/Paul Childs

A man wearing a face mask to prevent the spread of the coronavirus disease (COVID-19) walks past a poster of The Mona Lisa with a face mask on, in Paris, France, May 14, 2021. REUTERS/Benoit Tessier

Northern Ireland's agriculture minister Edwin Poots takes off his face mask outside the Democratic Unionist Party (DUP) headquarters during a vote to replace First Minister Arlene Foster in Belfast, Northern Ireland, Britain, May 14, 2021. REUTERS/Clodagh Kilcoyne REFILE - CORRECTING TITLE

A man wearing a protective face mask walks next to wall decorations of Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan May 14, 2021. REUTERS/Naoki Ogura

A man wearing a protective face mask walks by an advertising of Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan May 14, 2021. REUTERS/Naoki Ogura

Passersby wearing protective face masks walk near a countdown clock of Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan May 14, 2021. REUTERS/Naoki Ogura

A man wearing a protective face mask walks by an advertising of Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan May 14, 2021. REUTERS/Naoki Ogura

People wearing face masks cross a road amid the coronavirus disease (COVID-19) outbreak in Singapore May 14, 2021. REUTERS/Caroline Chia

Pope Francis adjusts his face mask at a conference on the Demographic Crisis in Rome, Italy May 14, 2021. Andrew Medichini/Pool via REUTERS

Passersby wearing protective face masks walk under the street decoration of Tokyo 2020 Olympic and Paralympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan May 14, 2021. REUTERS/Naoki Ogura

Officials wearing protective face masks practice social distancing during the Tokyo 2020 Olympics skateboarding test event at Ariake Urban Sports Park in Tokyo, Japan May 14, 2021. REUTERS/Issei Kato

Firefighters and ambulance worker wearing protective face masks inspect at the Tokyo 2020 Olympics skateboarding test event at Ariake Urban Sports Park in Tokyo, Japan May 14, 2021. REUTERS/Issei Kato

A sign that reads "no gasoline" is seen at a gasoline station, as Cali faces a disruption in supplies of gasoline due to longevity of protests, in Cali, Colombia May 13, 2021. Picture taken May 13, 2021. REUTERS/Luisa Gonzalez

Cars and motorcycles queue up at a gas station, as Cali faces a disruption in supplies of gasoline due to longevity of protests, in Cali, Colombia May 13, 2021. Picture taken May 13, 2021. REUTERS/Luisa Gonzalez

An almost empty shelf is seen in a supermarket, as Cali faces a shortage of some products due to longevity of protests, in Cali, Colombia May 13, 2021. Picture taken May 13, 2021. REUTERS/Luisa Gonzalez

Cars queue up at a gas station, as Cali faces a disruption in supplies of gasoline due to longevity of protests, in Cali, Colombia May 13, 2021. Picture taken May 13, 2021. REUTERS/Luisa Gonzalez

White House Chief of Staff Ron Klain, Senior Advisor to the President Anita Dunn, Press Secretary Jen Psaki, and Communications Director Katherine Bedingfield stand without protective face masks in the Rose Garden of the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

A black movement activist wearing a protective face mask that reads ''Bolsonaro out'' protests against racism and police violence, on the day that marks 133 years since the abolition of Slavery in the country, in Rio de Janeiro, Brazil May 13, 2021. REUTERS/Ricardo Moraes

Blake Simmons, 76, smiles during a portrait while wearing a protective face mask reading "USA" on the stoop of his apartment building in the Bedford-Stuyvesant section of the Brooklyn borough of New York City, U.S., May 13, 2021. REUTERS/Shannon Stapleton

White House Chief of Staff Ron Klain, Senior Advisor to the President Anita Dunn, Press Secretary Jen Psaki, Communications Director Katherine Bedingfield and other staff members stand without protective face masks in the Rose Garden of the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

U.S. House Minority Leader Kevin McCarthy (R-CA) is seen without a face mask on Capitol Hill in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein?

White House Press Secretary Jen Psaki and Communications Director Katherine Bedingfield laugh without protective face masks at the Rose Garden of the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

White House Chief of Staff Ron Klain, Press Secretary Jen Psaki and Communications Director Kate Bedingfield are seen without protective face masks in the Rose Garden of the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

White House Press Secretary Jen Psaki and Communications Director Kate Bedingfield are seen without protective face masks in the Rose Garden of the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

U.S. Representative Alexandria Ocasio-Cortez is pursued by reporters on Capitol Hill in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein?

U.S. House Minority Leader Kevin McCarthy (R-CA) is seen without a face mask on Capitol Hill in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein?

U.S. Representative Alexandria Ocasio-Cortez (D-NY) walks past reporters on Capitol Hill in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein?

U.S. Representative Alexandria Ocasio-Cortez walks past reporters on Capitol Hill in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein?

U.S. Representative Alexandria Ocasio-Cortez walks past reporters on Capitol Hill in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein


U.S. Representative Alexandria Ocasio-Cortez walks past reporters on Capitol Hill in Washington, U.S., May 13, 2021. REUTERS/Evelyn Hockstein


White House staff stand without protective face masks at the Rose Garden of the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

A TV cameraman walks without a protective face mask at the Rose Garden of the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

U.S. President Joe Biden delivers remarks on the Colonial Pipeline incident while facing reporters in the Roosevelt Room at the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

U.S. President Joe Biden delivers remarks on the Colonial Pipeline incident while facing reporters in the Roosevelt Room at the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

U.S. President Joe Biden delivers remarks on the Colonial Pipeline incident while facing reporters in the Roosevelt Room at the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

U.S. President Joe Biden delivers remarks on the Colonial Pipeline incident while facing reporters in the Roosevelt Room at the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

U.S. President Joe Biden delivers remarks on the Colonial Pipeline incident while facing reporters in the Roosevelt Room at the White House in Washington, U.S., May 13, 2021. REUTERS/Kevin Lamarque

Britain's Prince William, Duke of Cambridge, wears a protective face mask as she joins a group of local school children from Loxdale Primary School in a visit at HugglePets in the Community to mark mental health awareness week in Wolverhampton, Britain May 13, 2021. Adrian Dennis/Pool via REUTERS

Britain's Catherine, Duchess of Cambridge wears a protective face mask as she joins a group of local school children from Loxdale Primary School in a visit at HugglePets in the Community to mark mental health awareness week in Wolverhampton, Britain May 13, 2021. Adrian Dennis/Pool via REUTERS

Serbian Prime Minister Ana Brnabic wears a protective face mask as she stands outside the Maximos Mansion in Athens, Greece, May 13, 2021. REUTERS/Louiza Vradi

A Muslim wearing a protective face mask reads the Koran inside Al Sultan Hassan mosque before Eid al-Fitr prayers, marking the end of the holy fasting month of Ramadan, amid the coronavirus disease (COVID-19) pandemic, in old Cairo, Egypt May 13, 2021. REUTERS/Amr Abdallah Dalsh

A passerby wearing a protective face mask walks past in front of beverage vending machines of the worldwide Olympic partners' Coca-Cola beverages, amid the coronavirus disease (COVID-19) outbreak, outside an Olympic facility in Tokyo, Japan May 13, 2021. REUTERS/Issei Kato

An Indonesian Muslim wears a face mask, designed in the likeness of the Palestinian flag, to curb the spread of the coronavirus disease (COVID-19) as she prays at the Great Mosque of Al Azhar during Eid al-Fitr, marking the end of the holy fasting month of Ramadan, in Jakarta, Indonesia, May 13, 2021. REUTERS/Willy Kurniawan TPX IMAGES OF THE DAY

An Indonesian Muslim wears a face mask, designed in the likeness of the Palestinian flag, to curb the spread of the coronavirus disease (COVID-19) while praying at the Great Mosque of Al Azhar during Eid al-Fitr, marking the end of the holy fasting month of Ramadan, in Jakarta, Indonesia, May 13, 2021. REUTERS/Willy Kurniawan

Indonesian Muslims wear face masks to curb the spread of the coronavirus disease (COVID-19) during a mass prayer session at the Great Mosque of Al Azhar during Eid al-Fitr, marking the end of the holy fasting month of Ramadan, in Jakarta, Indonesia, May 13, 2021. REUTERS/Willy Kurniawan

Indonesian Muslims wear face masks to curb the spread of the coronavirus disease (COVID-19) outbreak during a mass prayer session at the Great Mosque of Al Azhar during Eid al-Fitr, marking the end of the holy fasting month of Ramadan, in Jakarta, Indonesia, May 13, 2021. REUTERS/Willy Kurniawan

Felix Rodriguez wears a protective face mask as he talks to a client beside images of late Cuban President Fidel Castro and Cuba's former President and First Secretary of the Communist Party Raul Castro in a subsidized state store amid concerns about the spread of the coronavirus disease (COVID-19), in Havana, Cuba, May 12, 2021. REUTERS/Alexandre Meneghini

U.N. Secretary-General Antonio Guterres takes off a protective face mask as he attends a news conference following talks with Russian Foreign Minister Sergei Lavrov in Moscow, Russia May 12, 2021. REUTERS/Maxim Shemetov

U.N. Secretary-General Antonio Guterres takes off a protective face mask as he attends a news conference following talks with Russian Foreign Minister Sergei Lavrov in Moscow, Russia May 12, 2021. REUTERS/Maxim Shemetov

Tennis - ATP Masters 1000 - Italian Open - Foro Italico, Rome, Italy - May 12, 2021 Spain's Rafael Nadal wearing a protective face mask REUTERS/Guglielmo Mangiapane

French member of parliament of the leftist La France Insoumise (LFI) party Adrien Quatennens, wearing a protective face mask, attends a protest, following a flare-up of Israeli-Palestinian violence, in Paris, France, May 12, 2021. REUTERS/Sarah Meyssonnier

People wear protective face masks while crossing the street amid the coronavirus disease (COVID-19) pandemic, in Taoyuan, Taiwan, May 12, 2021. REUTERS/Ann Wang

People wear protective face masks while shopping amid the coronavirus disease (COVID-19) pandemic, in Taoyuan, Taiwan, May 12, 2021. REUTERS/Ann Wang

People wearing protective face masks wait to receive their second dose of COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, outside a vaccination centre in Kolkata, India, May 12, 2021. REUTERS/Rupak De Chowdhuri

People wearing protective face masks wait to receive their second dose of COVISHIELD, a coronavirus disease (COVID-19) vaccine manufactured by Serum Institute of India, outside a vaccination centre in Kolkata, India, May 12, 2021. REUTERS/Rupak De Chowdhuri

German Transport Minister Andreas Scheuer adjusts his face mask as he attends the weekly cabinet meeting at the Chancellery in Berlin, Germany May 12, 2021. Michael Sohn/Pool via REUTERS

People wear protective face masks while heading in a metro station following the outbreak of coronavirus disease (COVID-19), in Taipei, Taiwan, May 12, 2021. REUTERS/Ann Wang