Epidemiology of acquired immune deficiency syndrome.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D006205:Haiti / Q000208:ethnology; D006467:Hemophilia A / Q000150:complications; D006716:Homosexuality; D006801:Humans; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000453:epidemiology; D044469:Racial Groups; D012306:Risk; D012514:Sarcoma, Kaposi / Q000453:epidemiology; D014481:United States