People with blood type A may be more vulnerable to infection by the new coronavirus, while those with type O seem more resistant, according to a preliminary study of patients in China who contracted the disease known as Covid-19.
Researchers led by Wang Xinghuan with the Centre for Evidence-Based and Translational Medicine at Zhongnan Hospital of Wuhan University looked at blood group patterns of more than 2,000 infected patients in Wuhan and Shenzhen.
They found that blood type A patients showed a higher rate of infection and developed more severe symptoms with 206 patients, 85 had type A blood - 63 percent more than the infected than those who have blood type O.
The study was conducted by scientists and doctors from cities across China including Beijing, Wuhan, Shanghai and Shenzhen. It has not been peer reviewed, and the authors cautioned that there could be risks involved in using the study to guide current clinical practice.
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