In the center of Gamaleya, some of the employees were revaccinated with "Sputnik V"

"Some of the employees have been vaccinated for quite a long time, and a number of them, the elderly have been re-vaccinated, very good answers," RIA Novosti quoted Logunov as saying.

Earlier, the director of the Gamaleya Center, Alexander Gintsburg, said that repeated vaccination with Sputnik V is possible and may be more effective than the primary one.