According to experts, the coronavirus is practically not terrible for children. They may get sick or infect someone, but usually they have a mild infection. It turned out that the whole thing is in the special structure of the cells of the nasal mucosa.
The researchers found that in the epithelial cells of the nasal cavity of the child, the expression level of the gene that encodes the ACE2 protein is lower. It is this receptor that uses coronavirus to enter the cell and infect the body.
Therefore, the virus is more difficult to penetrate into the cells of the nasal mucosa of the child. At the same time, while the pathogen slowly multiplies, the immunity manages to adapt to the threat and fight the infection.
It is noted that over the years, the expression of this gene increases, so adults are more likely to tolerate coronavirus in severe form.
But with the flu, the situation is the opposite. For children, it is much more dangerous than for adults, writes potokmedia.ru.
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