Neither article talks about whether this is a minor or a major antigen.
Blood for transfusion needs to be crossmatched against antigen types of the recipient. Many patients will tolerate several transfusions of a minor mismatched antigen before developing a sensitivity. Major antigens are what cause significant reactions that can be life-threatening.
Minor antigens come into play when crossmatching for infants and premies, but this is way beyond my scope.
Blood for transfusion needs to be crossmatched against antigen types of the recipient. Many patients will tolerate several transfusions of a minor mismatched antigen before developing a sensitivity. Major antigens are what cause significant reactions that can be life-threatening.
Minor antigens come into play when crossmatching for infants and premies, but this is way beyond my scope.