The incidence and significance of anti‐“Mia” in Taiwan

Background: The incidence of the Mill phenotype among Chinese blood donors in Taiwan is 7.3 percent. Anti-“Mia” is the most frequently occurring alloantibody of potential clinical significance encountered among Chinese patients in Taiwan, with a frequency of 0.28 percent. Case Reports: A case of hemolytic disease of the newborn and a transfusion reaction due to anti-“Mia” are described. Conclusion: It may be important to include the Mill phenotype in the antibody screening of sera from Chinese patients.