Head of the Gamaleya Center Gunzburg: the nasal vaccine against COVID-19 has no side effects 
Director of the N.F. Gamalei Alexander Gunzburg told what consequences are observed in patients after using a nasal vaccine against coronavirus, reports TASS.
Gunzburg said that at the moment the nasal vaccine against COVID-19 has no side effects. However, the effectiveness of the drug has yet to be tested, he stressed.
The head of the Gamaleya center also disclosed the dangers of a nasal vaccine for allergy sufferers. He told when a drug can harm patients with such a disease.
“Like any drug – only when the stage of exacerbation of the disease. When there is no exacerbation, please use it, there are no restrictions, ”Gunzburg emphasized.
Earlier it became known that Russian President Vladimir Putin tested a nasal vaccine against coronavirus. He underwent the procedure the day after re-vaccination with Sputnik Light.
In October, the Ministry of Health of Russia allowed the Gamaleya Center to conduct the second phase of clinical trials of a coronavirus vaccine in the form of a nasal spray. According to the head of the institution, the drug will complement the usual vaccine, creating another barrier to the virus.