According to him, 2.5 million people have already been vaccinated again.
"The number of patients previously vaccinated has increased ... this number of patients is increasing, today there are more than 2.5 million people," he said.
Earlier, the press secretary of the Russian leader Dmitry Peskov expressed confidence that President Vladimir Putin will undergo revaccination against coronavirus.
In July, Vitaly Zverev, microbiologist, scientific director of the Mechnikov Research Institute of Vaccines and Serums, Academician of the Russian Academy of Sciences, in an interview with URA.RU, emphasized the importance of achieving population immunity to coronavirus in the world.