Pre-Peer Review Analysis Indicates Blood Type A More Vulnerable to Covid-19

There is a pre-peer review study of about 2100 Coronavirus patients in China and almost 3000 healthy people. (Relationship between the ABO Blood Group and the COVID-19 Susceptibility).

People with blood group A have a significantly higher risk for acquiring COVID-19 compared with non-A blood groups, whereas blood group O has a significantly lower risk for the infection compared with non-O blood groups.