Need to change Covaxin composition not felt yet due to vaccine's good efficacy against mutant variants: Government

Providing details of the efficacy rate of Covaxin and Covishield vaccines against each of the mutations, he said there was no significant difference noted in the efficacy of Bharat Biotech's Covaxin against the UK and the Brazil strains.
Source: The Economic Times Healthcare and Biotech News - Category: Pharmaceuticals Source Type: news