Russia’s Sputnik V Covid-19 vaccine 91.6% effective, late-stage trials show

Peer-reviewed results from Russia’s Sputnik V coronavirus vaccine’s late-stage clinical trial published in the Lancet showed the vaccine was 91.6% effective in preventing people from getting Covid-19. Scientists said out of 19,866 volunteers, of whom a quarter received a placebo, there have been 16 symptomatic Covid-19 infections among those who received the jab and 62 among those got the placebo.