Chinese scientists: This blood group is most susceptible to coronavirus infection


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

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

Research has shown that those infected with blood group 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 zero.

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

Scientists say the 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 groups in the planning of measures to protect and treat Sars-CoV-2 patients.

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

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

In contrast, the blood group zero 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 group zero represents 40%, A 26%, B 27%, AB 7%.


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