Kaposi's sarcoma and KSHV.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D000293:Adolescent; D000328:Adult; D006564:Herpesviridae / Q000302:isolation & purification*; D006801:Humans; D008297:Male; D012514:Sarcoma, Kaposi / Q000453:epidemiology* / Q000821:virology; D012725:Sexual Behavior