Russia’s coronavirus vaccine has efficacy of 91.4%, trial results suggest

Russia’s coronavirus vaccine has efficacy of 91.4%, trial results suggest (Andrew Matthews/PA)

Russia’s coronavirus vaccine is up to 91.4% effective at stopping people developing Covid-19 symptoms, according to its developers.

Interim phase three results of the Sputnik V vaccine trial were based on data from volunteers who received both the first and second doses of the Sputnik V vaccine or placebo at the third and final control point.