I C R A - For Dawoodi Bohras And Others

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SKIP TO CONTENT SKIP TO SITE INDEX The Coronavirus Outbreak LIVE Latest Updates Maps and Cases Risk Near You Vaccine Rollout Guidelines After Vaccination U.S.A. World Health How the Oxford-AstraZeneca Vaccine Works By  Jonathan Corum  and  Carl Zimmer Updated March 5, 2021 Leer en español The University of Oxford partnered with the British-Swedish company AstraZeneca to develop and test a  coronavirus vaccine  known as  ChAdOx1 nCoV-19  or  AZD1222 . Clinical trials found that the vaccine had an  efficacy of 82.4 percent  when two doses were given 12 weeks apart. Despite some  uncertainty over trial results , Britain  authorized the vaccine  for emergency use in December, and India  authorized  a version of the vaccine called  Covishield  on Jan. 3. A Piece of the Coronavirus The SARS-CoV-2 virus is  studded with proteins  that it uses to enter human cells. These so-called spike proteins ...