"A nasal vaccine for civilian use will be available in 3-4 months," he said in an interview with TASS.
Gunzburg stressed that it will be effective against the new omicron strain of the coronavirus.
Earlier, he said that the nasal vaccine against COVID-19 and Sputnik Light can be used together.
It also became known that the selection of volunteers to participate in the study of a nasal vaccine against coronavirus will begin in Russia on January 15.
RAS Corresponding Member Sergei Netesov, in an interview with NSN, commented on the situation with the omicron coronavirus strain.