Tests for coronavirus provide false results because of the peculiarities of infection in the body. Details at a press conference in TASS said the Deputy Director on innovative work of the St. Petersburg research Institute of epidemiology and Microbiology named after Pasteur, Alexander Semyonov.
the Expert recalled that COVID-19 enters the body through the upper respiratory tract, where usually testing with a special probe.
“That is, roughly speaking, the virus enters the mouth, nose and gradually colonize the airway epithelium, sinking lower, lower and lower. When it develops the disease, if we are talking about pneumonia, this means that the virus started in the lower respiratory tract. However, he can hit him susceptible to epithelial cells of the upper respiratory tract: there’s just him left, it’s all in your lungs,” explained the biologist.
Thus, the test gives a false negative result. However, “pick from human lungs just so the wand is impossible,” this requires a more complex and traumatic procedures, the expert added.
Previously, Semenov said that, most likely, in Russia universal vaccination against coronavirus is not, because it would create complexity from the point of view of scale of production. Will teach primarily at risk, noted virologist.
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