Is blood type a risk factor for coronavirus?

Genetic analysis suggests blood type and other factors might influence the risk of infection and severity of disease, suggest new research

Blood type and other genetic factors may be linked with risk of infection and severity of coronavirus, according to European researchers looking for further clues about why COVID-19 hits some so much harder than others.

The findings, published in the New England Journal of Medicine, suggest people with type A blood have a higher risk of being infected and developing worse symptoms.

At the epidemic's peak in Europe, researchers analysed the genes of more than 4000 people to look for

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