Allergy & ImmunologyABO incompatibilityallergic transfusion reactions
α-Gal Sensitization as a Cause of Severe Allergic Reactions in Group O Recipients of Group B/AB Plasma and Platelets
By MedXY|Jun 25, 2026
Severe allergic transfusion reactions in group O recipients receiving group B or AB plasma or platelets are linked to IgE antibodies against the α-Gal epitope, highlighting a novel immunological mechanism and potential risk stratification a