Post-transfusion mononucleosis.
D000293:Adolescent; D000740:Anemia / Q000209:etiology; D003937:Diagnosis, Differential; D004698:Endocarditis, Subacute Bacterial / Q000175:diagnosis*; D004802:Eosinophilia; D005112:Extracorporeal Circulation / Q000009:adverse effects*; D005260:Female; D005334:Fever / Q000209:etiology; D006801:Humans; D007244:Infectious Mononucleosis / Q000175:diagnosis*; D008199:Lymphadenitis / Q000209:etiology; D008218:Lymphocytosis / Q000209:etiology*; D008297:Male; D011183:Postoperative Complications; D013163:Splenomegaly / Q000209:etiology; D065227:Transfusion Reaction