Alexander Leonidovich Gintsburg reported that Vaktsina "Gam-Kovid-Vak" imparted already about 10-11 million people

Chapter of FEDERAL STATE-FINANCED INSTITUTION "NITSEM NAMED AFTER N. F. GAMALEI" MINISTRY OF HEALTH OF THE RUSSIAN FEDERATION also noted that the preparation is effective against the British, South African and Brazilian strains...