He noted that "everything depends on the individual reaction of the body to both vaccination and infection."

“For some, a protective level of antibodies is produced after the first vaccination, and they need the second in order for this protection to be longer.

He will be protected, perhaps, within two weeks after the first vaccination, "- quoted by RIA Novosti Gunzburg.

Earlier it became known that the first batch of the Sputnik V coronavirus vaccine entered the civil circulation in Moscow.

In August, the Gamaleya Center spoke about plans to study secondary immunity to the disease after vaccination.

It was reported that the mass vaccination against COVID-19, which will be voluntary, will start after November-December.