WHO tells how coronavirus affects our body

US, WASHINGTON (ORDO NEWS) — WHO and the US Centers for Disease Control and Prevention once again reminded people of the symptoms of COVID-19 and the incubation period. So, the first signs of the disease can appear only after 5-14 days.

According to Martin S. Hirsch, senior physician at the University of Massachusetts Infectious Diseases Service, infection occurs mainly through the nose.

The virus quickly enters the respiratory tract, causing a dry cough, shortness of breath and fever. Other methods of penetration of the strain are eyes and mouth.

Once in the body, the coronavirus begins to destroy the epithelial cells of the mucous membrane of the lungs.

The virus penetrates every cell and provokes its death. Only people with strong immunity have a chance of a speedy recovery. Our body is able to retain the virus in the upper respiratory tract.

About 80% of patients had mild or moderate symptoms. If immunity is not able to restrain COVID-19, then the strain penetrates lower and lower into the bronchi, causing bronchitis and pneumonia.

Affected cells become denser. Shrinking, they strangle a small air pocket through which oxygen enters the body.

At risk are people over 60 and those who have weakened immunity. Their relatives should observe quarantine in order not to bring the disease into the house.


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