Britain's Prime Minister Boris Johnson attends a media briefing in Downing Street, London, Tuesday, Sept. 14, 2021. An expert advisory panel h…

A man smiles while sitting under a tree in Harare, Zimbabwe, Thursday, Sept, 16, 2021. Zimbabwe has told all government employees to get vacci…

Russia's President Vladimir Putin attends a meeting of the Collective Security Treaty Organization (CSTO) via video conference at the Novo-Oga…

A man shows his vaccine card to enter the Santo Domingo Church in Quezon city, Philippines as religious activities reopen with health restrict…

People wait at a bus station in Harare, Zimbabwe, Thursday, Sept, 16, 2021. Zimbabwe has told all government employees to get vaccinated again…

A man wearing a face mask to protect against COVID-19 stands on a pedestrian bridge in the central business district in Beijing, Thursday, Sep…

People wearing face masks to protect against COVID-19 walk along a street in the central business district in Beijing, Thursday, Sept. 16, 202…

An employee wearing protective equipments to prevent the spread of coronavirus waits for customers during the first day of reopening at a cine…

A woman shows the number three as she receives the third shot of Pfizer's Comirnaty vaccine, Thursday, Sept. 16, 2021, at the Eastman clinic in Rome.

A man and a woman wearing face masks watch the Sumida River as they visit its riverside walking trail in Tokyo, Thursday, Sept. 16, 2021.