title: HIV and youth. Youth HIV/AIDS cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D015658:HIV Infections / Q000453:epidemiology* / Q000635:transmission; D015528:HIV Seroprevalence / Q000639:trends; D006801:Humans; D012309:Risk-Taking; D014481:United States / Q000453:epidemiology