Introduction Hemolytic reactions are adverse complications associated with red blood cell
transfusion. These reactions are associated with clinically important erythrocyte antigens,
such as those of Duffy blood Meny (2010). Individuals with the Duffy null phenotype Fy (a−
b−) are more likely to develop an alloimmunization reaction, resulting in an incompatibility
with all available red blood cell units, thus increasing the risk of complications from their
underlying disease Höher et al.(2018). Hence, it is important to determine the prevalence of …