Covaxin is 77.8 percent effective against Covid-19 virus says study | Oneindia News
2021-11-12 1,445 Dailymotion
A recent study has found that Covaxin is 77.8 percent effective against the Covid-19 virus.<br /><br />#CovaxineffectonCovid #VaccinationforChildren #ChinesevillageinArunachal
