AstraZeneca vaccine is 79% effective against symptomatic Covid-19, company says

Video Credit: WXYZ Detroit
Published on March 22, 2021 - Duration: 03:23s

AstraZeneca vaccine is 79% effective against symptomatic Covid-19, company says

AstraZeneca has announced the results from its long-awaited US-based clinical trial, saying that its COVID-19 vaccine is safe and provides strong protection against symptomatic infection.


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