Scientists warned that a debate over which country's regulatory system is better could undermine public faith in vaccines. Meanwhile, Britons waited to learn how soon they can get coronavirus shots
A drive-through site for high-speed coronavirus testing in Eindhoven, the Netherlands, Dec. 1, 2020. The European Union medical regulator is to hold a key meeting on the vaccine on Dec. 29
Image: Ilvy Njiokiktjien/The New York Times
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