title: CDC says AIDS cases increased in U.S. for first time since 1993.
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use; D002487:Centers for Disease Control and Prevention, U.S.; D015658:HIV Infections / Q000188:drug therapy / Q000453:epidemiology*; D015528:HIV Seroprevalence / Q000639:trends*; D020407:Internet; D012307:Risk Factors; D014481:United States / Q000453:epidemiology
chemical_list: D019380:Anti-HIV Agents