Coronavirus: People with this blood type may be at lower risk

People with blood type 0 have the lowest risk of Covid-19 infection, especially with severe symptoms, while those with blood types A and AB have an increased risk of getting serious clinical symptoms (eg having complications in other organs) and need ICU admission and intubation, according to two new scientific studies, one from Denmark and one from Canada.

The studies, published in the American Society of Hematology’s “Blood Advances” journal, confirm findings from previous research, showing that blood type plays a role in determining whether SARS-CoV-2 coronavirus is contracted and how severe the infection  will be. Group 0 appears to provide some protection against Covid-19 infection, however it is not clear why.

In the first study, researchers at the University of Southern Denmark and the University Hospital of Odense, led by Dr. Thorben Barrington, compared data of 473,000 people who had a coronavirus blood test, with the blood data of 2.2 million people of the total population. It was found that, in relation to the distribution of blood groups in the population of the country, fewer people with group 0 were infected  with Covid-19. This study did not find significant differences in infection rates for groups A, B and AB

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