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
Australian Associated Press

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.