title: CDC trial: HIV PrEP works for heterosexuals.  A 63% reduction in HIV risk.
mesh_terms: D000225:Adenine; D019380:Anti-HIV Agents / Q000627:therapeutic use; D002487:Centers for Disease Control and Prevention, U.S.; D015658:HIV Infections / Q000188:drug therapy; D020010:Heterosexuality; D006801:Humans
chemical_list: D019380:Anti-HIV Agents; D000225:Adenine