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Chinese research about coronavirus: Blood type A most risky, lowest risk for blood type O

Christian Fernsby ▼ | March 18, 2020
The risk of contracting coronavirus is significantly higher for people with blood type A while the risk is lower for individuals with blood type O, according to a study conducted by Chinese researchers.
Blood test
Health in China   Blood test
The study involved 2,173 patients with confirmed infection with severe acute respiratory syndrome coronavirus 2, from three hospitals in Wuhan and Shenzhen, China and 3,694 healthy individuals of Wuhan, the epicenter of the coronavirus outbreak.

Topics: Chinese coronavirus

A Meta-analysis of the pooled data showed that among the COVID-19 patients, the proportion of blood group A was significantly higher while the proportion of blood group O was significantly lower. This finding has made the researchers infer that blood type A is more vulnerable to COVID-19.

The study, which is preliminary, appears in, a server for health science preprints.