Russia Claims Boosted ‘Sputnik’ Vaccine Is 100% Effective Against Omicron
Alexander Gintsburg, director of Russia’s Gamaleya Research Institute of Epidemiology, claimed on Tuesday that the Sputnik V vaccine developed by his institute is at least 75% effective against the highly-contagious Omicron variant of Covid-19, and protection “will reach 100%” with a “Sputnik Light” booster shot.