A health worker applies a dose of the AstraZeneca vaccine during the first day of a three-day COVID-19 vaccination campaign for people over age 35 in the Complexo da Maré favela of Rio de Janeiro, Brazil, Brazil, Thursday, July 29, 2021. Some recipients will be monitored to study the rate of protection the vaccines provide and the extent to which virus variants are circulating. (Photo by Bruna Prado/AP Photo)

A priest comforts one of the relatives of the victims, before a mass in their memory, as Lebanon marks one-year anniversary of Beirut port explosion, at the port in Beirut, Lebanon on August 4, 2021. United in grief and anger, families of the victims and other Lebanese came out into the streets of Beirut on Wednesday to demand accountability as banks, businesses and government offices shuttered to mark one year since the horrific explosion. (Photo by Aziz Taher/Reuters)

A brown bear cub by the Khailyulya River in north-east Kamchatka, Russia on July 24, 2021. (Photo by Yuri Smityuk/TASS)

Members of the Colombian Military forces pray for members of the military that have lost their lives and peace in the country at the Military Engineers School in Bogota, Colombia on October 14, 2021. (Photo by Juancho Torres/Anadolu Agency via Getty Images)

Tourists wear protective masks in Sanur, Bali, Indonesia, 15 March 2020. Indonesia has around 80 active cases of Covid-19. More than 70,000 people worldwide have recovered from coronavirus, nearly half of the total infections recorded since the outbreak began. (Photo by Made Nagi/EPA/EFE)

A mask seller wearing a mask stands in a street market in Bangkok, Thailand, Tuesday, June 9, 2020. Daily life in capital resuming to normal as Thai government continues to ease restrictions related to running business in capital Bangkok that were imposed weeks ago to combat the spread of COVID-19. (Photo by Gemunu Amarasinghe/AP Photo)

A dancer poses for her own photographer in front of pink cherry tree blossoms during a sunny spring morning at the Parc de Sceaux gardens near Paris, France, April 12, 2019. (Photo by Christian Hartmann/Reuters)

Two women enjoy drinks outside a pub in the soho area of central London on November 4, 2020, on the eve of a second novel coronavirus COVID-19 lockdown in an effort to combat soaring infections. English pubs call last orders at the bar for a month on Wednesday evening, as the country effectively shuts down from November 5, for the second time this year to try to cut coronavirus cases. Prime Minister Boris Johnson insisted that the lockdown for England would end “automatically” in four weeks, as he tried to placate party critics over the spiralling economic fallout. (Photo by Stephen Lock/i-Images)