Single-dose Sputnik Light shows 70% efficacy against Delta variant

New Delhi: The Russian Direct Investment Fund (RDIF) and Gamaleya Center on Wednesday said one-shot Sputnik Light vaccine demonstrates 70 percent efficacy against infection with the Delta variant of coronavirus during the first three months after vaccination.

Gamaleya Center has submitted an article analysing the efficacy of the Sputnik Light vaccine against the Delta variant to the medRxiv preprint server for health sciences, RDIF said in a statement.

The analysis was conducted based on data from 28,000 participants who 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, it added.