British Prime Minister Boris Johnson after receiving his second jab of the AstraZeneca coronavirus vaccine, at the Francis Crick Institute in London.

Sri Lankans queue up to receive the second dose of Covishield, Serum Institute of India's version of the AstraZeneca vaccine during a public vaccination drive in Welisara, outskirt...

Social worker Ashok Kurmi, dressed as fictional superhero Spider-Man, sanitizes the area around Chhatrapati Shivaji Maharaj Terminus, during a COVID-induced lockdown to curb the sp...

The first arrival of COVID-19 vaccines to Kenya is offloaded from a Qatar Airways flight at Jomo Kenyatta International Airport in Nairobi, Kenya. Around 1.02 million doses of the ...

Two medical workers wearing special suits to protect against coronavirus roll an elderly man suffering from COVID-19 in a wheelchair inside a hospital in Kolomyia, western Ukraine....

Afghan security personnel receive India's AstraZeneca coronavirus vaccine from health officials during a ceremony at the Afghan presidential palace in Kabul, Afghanistan. Afghanist...

Britain's Prime Minister Boris Johnson holds a vial of the AstraZeneca vaccine during a visit to a coronavirus vaccination centre at the Health and Well-being Centre in Orpington, ...

Empty coffins are stored at an AVBOB mortuary in Johannesburg, one day after South Africa gave a hero's welcome to the delivery of its first COVID-19 vaccines — 1 million doses o...

Sri Lankan army soldiers wait to receive COVID-19 vaccines in Colombo, Sri Lanka.

Sri Lankan nursing staff administer COVID-19 vaccines to frontline health workers in Colombo, Sri Lanka.

Sri Lankan health workers wait to be administered the COVID-19 vaccine in Colombo, Sri Lanka. Sri Lanka has begun inoculating frontline health workers, military troops and police o...

Britain's Prime Minister Boris Johnson with site director Frances Muir, left, visits the French biotechnology laboratory Valneva in Livingston, Scotland, where they will be produci...

Nepalese health minister Hridayesh Tripathi and Indian ambassador to Nepal Vinay Mohan Kwatra inspect boxes containing AstraZeneca/Oxford University vaccine, manufactured under lic...

Britain's Prime Minister Boris Johnson at a viewing window during a tour of the manufacturing facility for the Oxford/Astrazeneca vaccine at Oxford Biomedica in Oxfordshire, Englan...

Members of the public receive the Oxford/AstraZeneca coronavirus vaccine at Lichfield Cathedral, in Staffordshire, England. The U.K. is ramping up its mass vaccination program as t...