AstraZeneca vaccines
AstraZeneca COVID-19 vaccine shows 74% efficacy in large US trial
September 30, 2021
CHICAGO: AstraZeneca Plc’s Covid-19 vaccine demonstrated 74% efficacy at preventing symptomatic disease, a figure that increased to 83.5% in people aged 65 and older, according to long-awaited results of the company’s US clinical trial published on Wednesday, according to Reuters. Overall efficacy of 74% was lower than the interim...
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