Russia's Sputnik V vaccine against Covid-19 is more than 90% effective, a representative of the health ministry said on Monday, citing data collated from vaccinations of the public rather than from an ongoing trial.
The comments followed a statement earlier on Monday by vaccine developers Pfizer Inc and BioNTech, who said their experimental Covid-19 vaccine was more than 90% effective.
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"We are responsible for monitoring the effectiveness of the Sputnik V vaccine among citizens who have received it as part of the mass vaccination programme," Oksana Drapkina, director of a research institute under the health ministry, said in a statement.
"Based on our observations, it is also more than 90%. The appearance of another effective vaccine - this is good news for everyone," Drapkina said.
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