Bharat Biotech's vaccine Covaxin has demonstrated that it is 77.8 per cent effective against symptomatic Covid-19, through evaluation of 130 confirmed cases, with 24 observed in the vaccine group versus 106 in the placebo group, Phase III data published in The Lancet said on Friday. The efficacy data which was peer reviewed also said the vaccine demonstrated 63.6 per cent protection against asymptomatic Covid-19 and 65.2 per cent safety against the Delta variant besides showing 70.8 per cent guard against all variants of SARS-CoV-2 virus.

The efficacy analysis demonstrated that Covaxin to be 93.4 per cent effective against severe symptomatic Covid-19. "The peer-review of Covaxin phase III clinical trial data in The Lancet, an authoritative voice in global medicine validates our commitment to data transparency and meeting the stringent peer-review standards of world leading medical journals."