Healthcare Russia becomes first country to approve a COVID-19 vaccine, says Putin Updated : August 11, 2020 03:09 PM IST "I know that it works quite effectively, forms strong immunity, and I repeat, it has passed all the needed checks," said Putin. Regulators around the world have insisted that the rush to develop COVID-19 vaccines will not compromise safety. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.