Covaxin, a vaccine developed by government's medical research agency and Bharat Biotech International Ltd., was found to have a 77.8% efficacy rate against symptomatic Covid-19 in a long-awaited...
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https://ift.tt/eA8V8J Covaxin Found To Be 77.8% Effective Against Covid In Lancet Study
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November 11, 2021
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