From the Centers for Disease Control. Acquired immunodeficiency syndrome--1991.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000208:ethnology; D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D005260:Female; D015658:HIV Infections / Q000453:epidemiology; D006716:Homosexuality / Q000706:statistics & numerical data; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D015819:Substance Abuse, Intravenous / Q000453:epidemiology; D014481:United States / Q000453:epidemiology