World AstraZeneca’s Covid-19 Vaccine Is Found to Be 79% Effective in U.S. Study March 22, 2021March 23, 2021Rebecca Robbins and Benjamin MuellerComments Off on AstraZeneca’s Covid-19 Vaccine Is Found to Be 79% Effective in U.S. Study The company is preparing to apply for emergency authorization from the Food and Drug Administration. But the shot may not be needed in the United States.
