MOSCOW: Russia’s Sputnik V coronavirus vaccine is 92 percent effective according to initial test results, its developers said on Wednesday, as Moscow races against its competitors in the West.
The calculations were based on results from 16,000 individuals who received both doses of the vaccine, Russia’s health ministry, the state-run Gamaleya research centre and the Russian Direct Investment Fund (RDIF) said in a statement.
“The Sputnik V vaccine had an efficacy rate of 92 percent after the second dose,” the statement said, after 20 of the volunteers — some of whom were given the placebo — tested positive for coronavirus.
The adenovirus vector-based vaccine uses modified viruses of the regular flu.
Some of those vaccinated experienced “pain at the injection site, flu-like syndrome including fever, weakness, fatigue and headache,” the statement said.
Russia in August became the first country to register a coronavirus vaccine but did so ahead of the large-scale clinical trials that are still underway.
Forty thousand volunteers at 29 medical centres are taking part in the third and final phase of Sputnik V trials.
In September, the vaccine was separately administered to medics and other at-risk people working in Russian hospitals, demonstrating an efficacy rate of “over 90 percent,” the statement said. Regional authorities in Siberia’s Altai region on Tuesday said that at least three medics out of the 42 that received the vaccine had contracted the virus.—AFP
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