Russia: The single-dose “Sputnik Lite” vaccine is 70% effective against the Delta strain

Research conducted by the Jamalia Research Center for Epidemiology and Microorganisms in Russia indicated that the single-dose “Sputnik Light” coronavirus vaccine developed by the center showed an efficacy of 70% against infection with the Delta strain during the first three months after vaccination.

And the “Bloomberg” news agency quoted the center as saying that the vaccine is more than 75% effective in people under the age of 60 years and also provides a much higher efficacy in protecting against serious cases and the need for hospital treatment.

The center sent an article containing an analysis on the efficacy of vaccination using Sputnik Lite, which is given in a single dose against the Delta strain, to the MedRexiv website for publication this week.

The center indicated that the effectiveness of the Sputnik Lite dose as a booster against the Delta strain after vaccination with other vaccines will be close to the effectiveness of the “Sputnik V” vaccine against the same strain, which is 83% protection from infection and more than 94% of the need for hospital treatment.

The research is based on data on cases of 28,000 participants who received a single dose of Sputnik Lite, compared to a control group of 5.6 million people who were not vaccinated.

It is noteworthy that the single-dose Sputnik Lite vaccine, which is the first component of the Sputnik Vaccine, is authorized in more than 15 countries, with registrations underway in 30 other countries.

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