title: WHO approach to track HIV drug resistance emergence and transmission in countries scaling up HIV treatment.
authors.forename: Silvia
authors.initials: S
authors.lastname: Bertagnolio
authors.forename: Donald
authors.initials: D
authors.lastname: Sutherland
mesh_terms: D000349:Africa; D023241:Antiretroviral Therapy, Highly Active; D024882:Drug Resistance, Viral; D015658:HIV Infections / Q000188:drug therapy* / Q000453:epidemiology / Q000635:transmission; D006801:Humans