The blood type diet is a popular diet that suggests your ABO blood group may determine the best foods for you to eat. However, very little scientific research supports its claimed benefits. The ...

“Association between ABO Blood Groups and COVID-19 Infection, Severity and Demise: A Systematic Review and Meta-Analysis.” Infection, Genetics and Evolution 84 (October): 104485.

Diagram of ABO blood groups and the IgM antibodies present in each. 18 March 2020. ... The ABO blood group has evolved in response to disease over thousands of years.