(NPR) AstraZeneca Vaccine Can Prevent COVID-19, Phase III Study Says

AstraZeneca Vaccine Can Prevent COVID-19, Phase III Study Says

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Results from a Phase III trial show the Oxford AstraZeneca COVID-19 vaccine can be 79% effective at preventing symptoms of COVID-19.



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The Coronavirus Crisis

AstraZeneca Vaccine Can Prevent COVID-19, Phase III Study Says

Results of the trial, which involved more than 32,000 volunteers, showed two doses of the vaccine administered four weeks apart had an efficacy of 79% at preventing symptoms of COVID-19.