title: The epidemiology of AIDS.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality; D000293:Adolescent; D000328:Adult; D002487:Centers for Disease Control and Prevention, U.S.; D004196:Disease Outbreaks / Q000453:epidemiology*; D004812:Epidemiologic Methods; D005260:Female; D006205:Haiti / Q000208:ethnology; D006467:Hemophilia A / Q000150:complications; D006716:Homosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged; D011020:Pneumonia, Pneumocystis / Q000453:epidemiology; D012306:Risk; D012514:Sarcoma, Kaposi / Q000453:epidemiology; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000150:complications; D014481:United States