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AstraZeneca vaccine is 79 pct effective against symptomatic Covid-19, says
Updated : 5 years, 2 months ago IST
Washington [US] March 22 (ANI): AstraZeneca's Covid-19 vaccine showed 79 per cent efficacy against symptomatic disease and 100 per cent efficacy against severe disease and hospitalisation in a new, US-based clinical trial, the company said Monday.
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