CDC report on 20 years of AIDS: more than one million americans infected.
D001727:Bisexuality; D002487:Centers for Disease Control and Prevention, U.S.; D005260:Female; D015658:HIV Infections / Q000453:epidemiology*; D015528:HIV Seroprevalence / Q000639:trends; D018451:Homosexuality, Male; D006801:Humans; D015994:Incidence; D008297:Male; D014481:United States / Q000453:epidemiology