Lack of ABO isoagglutinin response to influenza A2 infection.
D000017:ABO Blood-Group System; D006384:Hemagglutination; D006801:Humans; D066298:In Vitro Techniques; D007251:Influenza, Human / Q000276:immunology*; D007518:Isoantibodies
D000017:ABO Blood-Group System; D007518:Isoantibodies