New studies show reduced prevalence and severity of SARS-CoV-2 infection in ABO blood group O

Study 1: Reduced prevalence of SARS-CoV-2 infection in ABO blood group O – Blood Advances

Study 2: The association of ABO blood group with indices of disease severity and multiorgan dysfunction in COVID-19 – Blood Advances

Commentaries: People with blood type O may have lower risk of Covid-19 infection and severe illness, two new studies suggest – CNN AND Studies offer new evidence for possible link between blood type and COVID-19 susceptibility – American Society of Hematology