Russia's Sputnik V vaccine is 91.6% effective against coronavirus when two doses are given, according to peer-reviewed interim results from its phase three trial.
Russia's Sputnik V vaccine is 91.6% effective against coronavirus when two doses are given, according to peer-reviewed interim results from its phase three trial.
The World Health Organisation team in Wuhan investigating the origins of COVID-19 say they are getting data "which no one has seen before" and are "really getting somewhere" - and have not ruled out...