ET Covid-19 Live Updates: AstraZeneca Vaccine Is 79% Effective in U.S. Study The vaccine maker is preparing to apply for emergency authorization from the Food and Drug Administration. Dr. Anthony S. Fauci on Monday discussed the U.S. clinical trial that ruled the vaccine developed by AstraZeneca effective against Covid-19. Last November, Oxford and AstraZeneca reported that the vaccine was 70 percent effective across studies in Britain and Brazil. New York City high schools also opened for in-person classes on Monday for the first time since November. Coronavirus Vaccine Tracker A look at all the vaccines that have reached trials in humans.

Source: International New York Times March 22, 2021 09:01 UTC