Infection with E.B. virus.
D000328:Adult; D000818:Animals; D002051:Burkitt Lymphoma / Q000209:etiology; D002648:Child; D004854:Herpesvirus 4, Human; D006801:Humans; D007244:Infectious Mononucleosis / Q000150:complications / Q000382:microbiology; D007938:Leukemia / Q000209:etiology; D008297:Male