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People with blood type A ‘more vulnerable to coronavirus’

Published: (Updated: ) in Australian News by .

Chinese research indicates coronavirus patients with blood type A had a higher rate of infection and tended to get more severe symptoms, according to reports.

Chinese research indicates coronavirus patients with blood type A had a higher rate of infection and tended to get more severe symptoms, according to reports.

The study was based on blood group patterns of more than 2,000 patients infected with the virus in Wuhan and Shenzhen and compared them with local healthy people, reports the South China Morning Post.

The researchers found that blood type A patients showed a higher rate of infection and they tended to develop more severe symptoms, while those with type O appear more resistant.

The research has not been peer reviewed, and the authors warned that there could be risks involved in using the study to guide current clinical practice.

A medical worker records a patient's condition at Jinyintan Hospital designated for new coronavirus infected patients, in Wuhan in central China's Hubei province.

But they say doctors and governments may need to consider blood type differences in their efforts to stem the spreading virus.

"People of blood group A might need particularly strengthened personal protection to reduce the chance of infection," wrote lead researcher Wang Xinghuan with the Centre for Evidence-Based and Translational Medicine at Zhongnan Hospital of Wuhan University.

"Sars-CoV-2-infected patients with blood group A might need to receive more vigilant surveillance and aggressive treatment," he wrote.

Coronavirus

In contrast, the study - published on Medrxiv.org on March 11 - found "blood group O had a significantly lower risk for the infectious disease compared with non-O blood groups".

From 206 patients who had died of coronavirus in Wuhan, 85 had type A blood, which was 63 per cent more than the 52 with type O. The trend was reflected across different age and gender groups.

A limitation of the study is the sample size of 2000, compared with the worldwide infection rate of more than 180,000 people.

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Blood groups are classified by a so-called antigen, a material on the surface of red blood cells that can spark an immune response. The main blood types were discovered by an Austrian biologist in 1901, who named them type A, B, AB and O.

The discovery enabled safe blood transfusions by matching blood types in patients.

Source: 9News https://www.9news.com.au/world/coronavirus-blood-type-a-more-vulnerable-chinese-study-wuhan-patients/1c018c86-506e-49f5-89a2-dffa7d62a809

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