Russia's Sputnik V vaccine is 92 per cent effective at protecting people from Covid-19 according to interim trial results, the country's sovereign wealth fund said on Wednesday, as Moscow rushes to keep pace with Western drugmakers in the race for a shot.
Russia's results are only the second from a late-stage human trial, following on swiftly from data released on Monday by Pfizer Inc and BioNTech, which said their shot was also more than 90 per cent effective.
While experts said the Russian data was encouraging and reinforced the idea the pandemic could be halted by vaccines, they warned that the results