Covaxin has 77.8% efficacy, says Bharat Bio | Economic Times

Hyderabad-based Bharat Biotech has just published the trial data for its COVID-19 vaccine, Covaxin, which claims the India-made vaccine to be 77.8% effective against the coronavirus. "130 cases of symptomatic COVID-19 were reported in 16,973 (0.77%) participants with follow-up at least two weeks after the second vaccination; 24 occurred in the vaccine group and 106 in placebo recipients giving the vaccine overall efficacy of 77.8%." the company said. The vaccine was found to have 93% efficacy against severe cases of COVID-19 and 63% efficacy against asymptomatic transmission. Trial data also indicated that the vaccine was effective against the Delta variant of the virus. "BBV152 conferred 65.2% protection against the SARS CoV 2 Variant of Concern, B.1.617.2 (Delta)," the release from Bharat Biotech said.Side effects of the vaccine are reportedly not adverse, with participants of the trial not seeing any "clinically or statistically significant differences in the distributions of solicited, unsolicited, or serious adverse events."