"You need to get vaccinated quickly, and better - all citizens who are in constant contact with each other," - quoted by TASS Gintsburg.

According to him, "if a part of the population is vaccinated, and a part does not, this may lead to an intensification of the process of forming strains with altered properties."

Previously, the director of the center.

Gamalei noted that the circulation of many of its own strains of coronavirus has been detected in Russia.