COVID 19 latest update: Coronavirus vaccine Covaxin works against multiple variants of SARS-COV-2
April 22, 2021 10:24 ISTLeading vaccine maker Bharat Biotech and the Indian Council of Medical Research (ICMR) announced interim results from phase 3 clinical trials of coronavirus Covaxin, which show 78 per cent overall clinical efficacy and 100 per cent efficacy against severe Covid-19.