Published On: Thu, Mar 25th, 2021
World | By

AstraZeneca says COVID-19 vaccine shows 76% efficacy in updated analysis of U.S. trial

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AstraZeneca said its COVID-19 vaccine had a 76 per cent efficacy rate at preventing symptomatic illness in a new analysis of its major U.S. trial — slightly lower than the level announced earlier this week in a report that was criticized for using outdated information.

CBC | World News




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