The developers of the Russian COVID-19 vaccine Sputnik V said that their single-dose Sputnik Light vaccine demonstrated 79.4 per cent efficacy against the COVID-19 and it has proven effective against all new strains of coronavirus.   Sputnik Light is the first component (recombinant human adenovirus serotype number 26 (rAd26)) of the Sputnik V coronavirus vaccine, … Continue reading Sputnik Light vaccine demonstrated 79.4 per cent efficacy : RDIF