Sputnik V vaccine is 91.6% effective

According to The Lancet results on Tuesday, the Russian Sputnik V vaccine is 91.6% effective against symptomatic Covid-19. Independent experts said the publishing allayed transparency concerns over the jab, that is already being used in Russia and Argentina.
The effectiveness calculation was based on the analysis of data of 19,866 volunteers. In volunteers aged above 60, the efficacy rate was 91.8 per cent. Among adverse events, 94 per cent were mild and included flu-like symptoms, reactions in the vaccine site, headache and asthenia. However, no serious adverse events were reported.