"COVAXIN is the only COVID-19 vaccine to have demonstrated efficacy data from phase III clinical trials against the delta variant at 65.2 per cent," the official statement issued by Bharat Biotech said citing the study by the Lancet.
from Zee News :India National https://ift.tt/3Cl4dVn
from Zee News :India National https://ift.tt/3Cl4dVn
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