title: Pandemic.  CDC: HIV remains significant threat to gay, minority communities.
mesh_terms: D002487:Centers for Disease Control and Prevention, U.S.; D015658:HIV Infections / Q000453:epidemiology*; D006716:Homosexuality; D006801:Humans; D008913:Minority Groups; D012307:Risk Factors; D014481:United States / Q000453:epidemiology