According to research, if this group is contaminated the chances of developing the most severe form of the disease are less
Marcelo Camargo / Agência BrasilPeople with type O blood are less likely to become infected with Covid-19, says studies
Two studies published in the journal Blood Advances this Wednesday, 14, point out that people with the blood type O may be less vulnerable to infection by Covid-19 and have a reduced chance of developing the most severe form of the disease. The reasons for this relationship are not yet clear, but much research points in this direction. Human beings can fall into one of the four blood groups: A, B, AB or O. In Brazil, 87% of the population has type A and O blood. One of the published surveys is Danish and found that among 473,654 people who were tested for new coronavirus, only 38.4% with type O blood tested positive. In another study, from Canada, among 95 patients severely affected by the disease, 84% with type A or AB blood required mechanical ventilation, higher than the type O or B group, which was 61%.
“As a clinician… it’s in the back of my mind when I look at patients and stratify them. But in terms of a definitive marker, we need repeated discoveries in many jurisdictions that show the same thing, ”said Dr. Mypinder Sekhon, an intensive care physician at Vancouver General Hospital and author of the Canadian study. “I don’t think it substitutes for other serious risk factors, like age e comorbidities and so on. If you are from blood group A, you need not panic. And if you are from blood group O, you are not free to go to pubs and bars, ”added Sekhon.
Recent research data follows the result of a study published in the The New England Journal of Medicine, in June, who found genetic data in some Covid-19 patients and healthy individuals, suggesting that people with type A blood were at a higher risk of becoming infected than those with type O blood. According to the Center’s senior researcher Health Security at Johns Hopkins University in Baltimore, Dr. Amesh Adalja, the combination of all the research is “suggestive that this is a real phenomenon that we are seeing” and that although they are not robust results, the same pattern needs to be highlighted .
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