Sputnik V vaccine against coronavirus earlier this year after previously declining to disclose which jab he had taken. The 68-year-old had received two Covid-19 vaccine shots in March and April.
Authorities did not publish video footage of him being inoculated. Russia's Sputnik V vaccine is also around 90% effective against the Delta variant of Covid-19, the RIA news agency cited Denis Logunov, deputy director of the Gamaleya Institute that developed the vaccine, as saying.
The shot was previously found by the researchers to be almost 92% effective against the original strain of Covid-19. Logunov said the Delta variant efficacy figure was calculated based on information from digital medical records and on vaccination records.