“Today we can say for sure that Sputnik V protects against those known strains that, accordingly, circulate in the world, which have acquired epidemiological potential,” TASS quoted him as saying.

Gunzburg named including British, South African and Brazilian strains.

At the same time, he noted that there is no one hundred percent guarantee that the vaccine will protect against all strains of the virus that may appear in the future.

Earlier, Gunzburg admitted that vaccination with the Russian drug "Sputnik V" could guarantee lifelong immunity from coronavirus.