Scientists associate the trend towards a “hidden” course of coronavirus infection with genetics. This is a gene responsible for the perception of a virus.
Researchers from Newcastle University in the UK have found out why people with COVID-19 do not get sick and carry the infection without symptoms.
Scientists believe that the answer to this question is hidden in genetics. In particular, they argue that the HLA-DRB1*04:01 gene is found in people with asymptomatic coronavirus. Namely, it is responsible for not accepting the infection.
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The experiment involved 49 patients with a severe course of COVID-19 and 69 – in whom the disease proceeded in a “latent” form.
“This is an important finding as it may explain why some people catch Covid but don’t get sick,” says Dr. Carlos Echevarria from the Translational and Clinical Research Institute as cited by Science Daily.
“It could lead us to a genetic test which may indicate who we need to prioritize for future vaccinations,” Dr. Echevarria one of the study co-authors of the paper adds.
In addition, it became known that the specified gene is subject to latitude and longitude. Thus, it can be in the population of Northern and Western Europe.
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However, experts emphasize that asymptomatic COVID-19 can infect other people.
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