China COVID-19 study: blood type O are more resistant, type A are more susceptible to infection

A new medical study on the coronavirus in China found that blood type A patients were more susceptible to the infection and tended to develop more severe symptoms, while patients with blood type O seemed more resistant to the disease.

https://www.msn.com/en-sg/news/world/china-covid-19-study-blood-type-o-are-more-resistant-type-a-are-more-susceptible-to-infection/ar-BB11m7SA?li=BBr8YXK&fbclid=IwAR3GOZkYzfCCbOCPL17WLsGSlyR9vQCbiOHUwgnRAlwNX0GwFqkTmTaMOOE