title: HIV treatment-as-prevention research: authors' reply.
abstract: Till Bärnighausen and colleagues respond to comments by the HPTN 071 (PopART) Study Team, noting the distinction between the different HIV prevention questions the trial will attempt to answer.
authors.affiliation: Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America; Africa Centre for Health and Population Studies, University of KwaZulu-Natal, Mtubatuba, South Africa.
authors.forename: Till
authors.initials: T
authors.lastname: Bärnighausen
authors.affiliation: Department of Global Health and Society, Harvard Medical School, Boston, Massachusetts, United States of America.
authors.forename: Nir
authors.initials: N
authors.lastname: Eyal
authors.affiliation: Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America.
authors.forename: Dan
authors.initials: D
authors.lastname: Wikler
mesh_terms: D015658:HIV Infections / Q000517:prevention & control*; D006302:Health Services Research; D006801:Humans