Sputnik V 75% effective against Omicron: Vaccine developer

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

Updated on: Jan 18, 2022 5:38 PM IST

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Updated on Jan 18, 2022 5:38 PM

The head of Russia's Gamaleya Research Center, Alexander Gintsburg, on Tuesday said that the effectiveness of the Sputnik V Covid-19 vaccine against the Omicron coronavirus variant is 75 per cent.

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Updated on Jan 18, 2022 5:38 PM

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

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“Protection against Omicron increases to 100% if a person receives a Sputnik Light booster dose in six months but decreases to 56-57% if revaccination is not done," he further said about the booster dose.

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Last week, Hyderabad-based biotechnology firm Bharat Biotech also said that the "Booster dose of Covaxin generated robust neutralising antibody responses against both Omicron and Delta variants of SARS-CoV-2.

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"The neutralisation activity of Covaxin-boosted sera was comparable to what has been observed in mRNA vaccine-boosted sera against the Omicron variant," Bharat Biotech said in a statement.