Oxford-AstraZeneca vaccine approved for use in Britain

File photo taken on May 18, 2020 shows a general view of AstraZeneca's building in Luton, Britain. Britain's medicine regulator has approved the coronavirus vaccine co-developed by the University of Oxford and AstraZeneca for use in the country, the British government said Wednesday. The Oxford-AstraZeneca vaccine has become the second coronavirus vaccine approved for use in Britain following the Pfizer-BioNTech vaccine. (Photo by Tim Ireland/Xinhua)