AstraZeneca COVID-19 vaccine shows 74% efficacy in large U.S. trial

Submitted by mike kraft on

AstraZeneca COVID-19 vaccine shows 74% efficacy in large U.S. trial 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 U.S. clinical trial published on Wednesday. Julie Steenhuysen Reuters

CHICAGO, Sept 29 (Reuters) -

The data looked at more than 26,000 volunteers in the United States, Chile and Peru, who received two doses of the vaccine spaced about a month apart. The results were published in the New England Journal of Medicine. ...

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