WORLDThe U.K. Approves Pfizer Coronavirus VaccineAmrita ChakravortyDecember 2, 2020December 2, 2020 December 2, 2020December 2, 2020 The U.K. gave emergency approval on Wednesday to Pfizer’s coronavirus vaccine. The authorization to use the vaccine developed by Pfizer, a U.S. pharmaceutical giant, kicked off a vaccination...