New disease baffles medical community.
D006205:Haiti / Q000208:ethnology; D006716:Homosexuality; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D012514:Sarcoma, Kaposi / Q000150:complications; D019966:Substance-Related Disorders; D014481:United States