The starting points of infection with a new coronavirus infection are most likely to be goblet and ciliary cells in the human nose.

This was an international group of scientists involved in the creation of the Atlas of human cells (Human Cell Atlas, HCA), reported on the website of the British research institute Wellcome Sanger.

It is noted that these cells contain the highest level of ACE2 and TMPRSS2 proteins, for which the virus "

Scientists took to study more than 20 different tissues of uninfected people, including those from the lungs, nasal cavity, eyes, heart, kidneys, liver and intestines.

The researchers were primarily interested in which cells form both types of these proteins.. As a result, they concluded that it is the goblet and ciliary cells in the nose that are responsible for the production of mucus, as well as the removal of foreign particles from the respiratory tract.

However, two key input proteins of genetics were also found in the cells of the cornea of \u200b\u200bthe eye and in the intestinal mucosa, which explains a different route of infection through the eyes and lacrimal ducts, as well as the possibility of transmission of the virus through feces.

On April 21, Medical Xpress magazine, citing the Society of Thoracic Surgery, wrote that a smoker has a 14-fold higher likelihood of complications from coronavirus infection in the body than a person who does not have such a habit.

The article was based on a study by Chinese scientists who analyzed information on nearly 80 patients with a confirmed diagnosis of COVID-19.

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