Covaxin, the coronavirus vaccine developed by the government's medical research agency and Bharat Biotech, was found to have a 77.8 per cent efficacy rate against symptomatic COVID-19 in a...
from NDTV News - Topstories https://ift.tt/3D93Luh
from NDTV News - Topstories https://ift.tt/3D93Luh
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