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One-shot Sputnik Light vaccine demonstrates 70% efficacy against infection with the Delta variant: RDIF

Our Bureau, Mumbai
Thursday, October 14, 2021, 14:30 Hrs  [IST]

The Russian Direct Investment Fund (RDIF) and Gamaleya Center sated that One-shot Sputnik Light vaccine (first component of the Sputnik V vaccine) demonstrates 70% efficacy against infection with the Delta variant during the first three months after vaccination.

Gamaleya Center has submitted an article analyzing efficacy of Sputnik Light vaccine against the Delta variant to the medRxiv preprint server for health sciences

The vaccine is 75% effective among subjects under the age of 60. Sputnik Light has demonstrated a superior efficacy compared with some two-shot vaccines, which have shown a major decline in efficacy against the Delta variant to less than 50% five months after injection.

A one-shot vaccination regimen of Sputnik Light has a number of key advantages, including ease of administering the vaccine, monitoring and more flexible re-vaccination schedule when used as a booster.

The analysis was conducted based on data from 28,000participantswho had received a single dose of Sputnik Light, compared with a control group of 5.6 million individuals who were not vaccinated. The data used in the study was collected in July 2021 in Moscow.

Sputnik Light has been proven to be safe and highly effective by real-world vaccination data in a number of countries. In particular, the vaccine has demonstrated efficacy of between 78.6-83.7% among the elderly as confirmed by the Ministry of Health of Buenos Aires, Argentina. Paraguay’s Ministry of Health also found Sputnik Light to be93.5% effective during the country’s ongoing vaccination campaign.

Kirill Dmitriev, CEO of the Russian Direct Investment Fund (RDIF), said, “The efficacy results of the one-shot Sputnik Light vaccine against the Delta variant of coronavirus significantly outperform those of a number of two-shot vaccines. Crucially, the data from the Gamaleya Center confirms that the one-shot Sputnik Light vaccine is among the best vaccines against coronavirus. This has also been confirmed by a number of other studies.”


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