Russia's Sputnik V vaccine is 92% 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% 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 were only based on a small number of trial volunteers who had contracted COVID-19.
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