Russia's "Sputnik V" vaccine is 92% effective at protecting people from the coronavirus, Russian media reported Wednesday.
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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.
According to France24, while experts said the Russian data was encouraging, they warned that the results were only based on a small number of trial volunteers who had contracted COVID-19.
The analysis was conducted after 20 participants developed the virus and examined how many had received the vaccine versus a placebo. That is significantly lower than the 94 infections in the trial of the vaccine being developed by Pfizer and BioNTech.
