Zee News COVAXIN phase-3 results show interim efficacy of 81%: Bharat Biotech releases data March 03, 2021 easyway Bharat Biotech announced the phase 3 results of its coronavirus vaccine ‘Covaxin’on Wednesday claiming the shots have demonstrated an interim clinical efficacy of nearly 81 per cent. from Zee News :India National https://ift.tt/3kFHuMa