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The nasal vaccine enters the body through channels that are close to the human brain, so there is a risk that it will affect vital organs. This was stated in an interview with journalist Olga Kopylova on her YouTube channel by virologist Konstantin Chumakov, director of the US Global Virological Network Center.
He noted that the nose is connected to the brain by the olfactory nerve, and therefore all medications that enter through the nose undergo a serious safety assessment. Nasal vaccines may not be safe because this nerve can carry a virus or antigen to the brain, Chumakov said.
At the same time, according to the specialist, the very idea of creating local immunity with the help of a vaccine is a good one, since the antigen will enter the body “in the right place”, in the right lymph nodes.
Meanwhile, not all experts agree with him. Professor of Virology, Chief Researcher at the Gamaleya Research Center for Epidemiology and Microbiology Anatoly Altshtein noted that the vaccine does not contain an active replicating virus. “The virus contained in this vaccine is able to infect a cell, but does not produce offspring. And the vaccine after the introduction into the brain will not work. There is simply nothing to go. I’m afraid Konstantin Mikhailovich is somewhat mistaken here, ”the expert said in a commentary for RBC.
Tristin is an accomplished author and journalist, known for his in-depth and engaging writing on sports. He currently works as a writer at 247 News Agency, where he has established himself as a respected voice in the sports industry.