AstraZeneca: study finds COVID-19 vaccine to be 79 percent effective

By Gotham Rex on March 22, 2021

LONDON — AstraZeneca says advanced trial data from a U.S. study on its COVID vaccine shows it is 79% effective. The U.S. study comprised 30,000 volunteers, 20,000 of whom were given the vaccine while the rest got dummy shots. The results were announed Monday. The early findings from the U.S. study are just one set…
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