title: Pre-exposure prophylaxis is effective at preventing HIV in high risk gay men, study shows.
authors.affiliation: London.
authors.forename: Susan
authors.initials: S
authors.lastname: Mayor
mesh_terms: D000328:Adult; D019380:Anti-HIV Agents / Q000008:administration & dosage*; D004359:Drug Therapy, Combination; D000068679:Emtricitabine / Q000008:administration & dosage*; D004739:England; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D065129:Pre-Exposure Prophylaxis; D016032:Randomized Controlled Trials as Topic; D000068698:Tenofovir / Q000008:administration & dosage*; D016896:Treatment Outcome; D047568:Unsafe Sex
chemical_list: D019380:Anti-HIV Agents; D000068698:Tenofovir; D000068679:Emtricitabine