Russia's Sputnik V effectiveness against Omicron 75 percent: Vaccine developer

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Moscow [Russia], January 19: The effectiveness of the Sputnik V COVID-19 vaccine against the Omicron coronavirus variant is 75 percent, Alexander Gintsburg, the head of Russia's Gamaleya Research Center, said on Tuesday.

"In the population, the effectiveness of the Sputnik V vaccine in relation to Omicron ... is 75 percent," Gintsburg said in the Rossiya Segodnya press center.

The Gamaleya head added that protection against Omicron increases to 100 percent if a person receives a Sputnik Light booster dose in six months but decreases to 56-57 percent if revaccination is not done.

The Sputnik V effectiveness against Omicron decreases by eight times but it is still enough for protection, Gintsburg said, adding that the effectiveness of other vaccines decreases by 21 times.

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