Russia's single dose Sputnik Light vaccine shows 78.6-83.7% efficacy among elderly in Argentina

Between the 21st and 40th day from the date of receiving the first dose of Sputnik, during the country's mass-scale civil vaccination, the infection rate among the elderlies was only 0.446 per cent. 

The Russian Direct Investment Fund (RDIF) on Wednesday declared that the Sputnik Light coronavirus vaccine showed 78.6-83.7 per cent efficacy among the elderlies in Argentina. The Ministry of Health of the Buenos Aires province (Argentina) collected real-world data from over 186,000 people aged 60-79, more than 40,000 of whom received a shot of Sputnik Light (first dose of Sputnik V), reported ANI. Between the 21st and 40th day from the date of receiving the first dose of Sputnik, during the country's mass-scale civil vaccination, the infection rate among the elderlies was only 0.446 per cent.