The relationship between ABO blood group distribution of COVID-19 convalescents and the plasma antibody titer against SARS-CoV-2

Objective: To perform a statistical analysis of the ABO blood group distribution of COVID-19 convalescents, and further analyze the ABO blood group distribution in COVID-19 convalescents with different plasma antibody titer against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).