People with blood type A may be more susceptible to Covid-19 infection, while those with zero are most resistant to the viral infection.

This is the conclusion of a research posted by some Chinese scientists after analyzing blood samples from 2,173 patients infected with the virus at three hospitals in Wuhan and Jensen, and compared the data with healthy locals.

The research has shown that the infected patients with blood type A, compared to other groups, show a higher rate of infection and are prone to developing more severe symptoms of the disease.

Among those analyzed were samples of 206 patients who died of Covid-19 in Wuhan. Of the 206 dead, 85 had blood type A, while 52 had blood type 0.

Also, the most infected Wuhan residents (38%) are precisely with blood type A, while 26.4% are with B and 25.8% with 0 blood group.

Scientists say that this study is preliminary and further research needs to be done to confirm this. However, it is suggested by governments and medical institutions to consider this finding and to take into account observed differences between blood types in the planning of measures to protect and treat the Sars-CoV-2 patients.

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“People with blood type A may need to be more careful to reduce the possibility of infection,” said the researchers led by Wang Singh of the Center for Evidence-Based and Translational Medicine.

“Patients with blood type A, infected with Sars-CoV-2, may need more careful supervision and more aggressive treatment,” Wang wrote in a study published on medRxiv.org.

In contrast, the blood type 0 has a significantly lower risk of infection compared to other groups, the study found.

To access this data, the scientists analyzed the blood of 3,700 Wuhan citizens who were not infected with the virus, and to test the theory, they conducted a control study of 398 additional Wuhan and Shenzhen patients and found the same result.

The study was conducted by scientists and doctors from cities across China. Otherwise, in China, blood type 0 represents 40% of the population, A 26%, B 27%, and AB 7% .

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