Sputnik V vaccine 83 per cent effective against Delta variant of COVID-19, says Russian health ministry

Sputnik V vaccine 83 per cent effective against Delta variant of COVID-19, says Russian health ministry

"The Russian Ministry of Health has also published data on Sputnik V`s efficacy against the Delta variant. The vaccine is 83.1 per cent effective and shows 6x reduction of infection risk," RDIF said in a statement.