Roles of role players in the implementation of school-based human immunodeficiency virus and acquired immunodeficiency syndrome prevention programmes in local high school settings.

Background: Worldwide, a large proportion of all new HIV infections occur in people under the age of 25. HIV and AIDS remain the leading cause of deaths among adolescents in sub-Saharan Africa and second leading cause of death globally. Preventing new HIV infections and AIDS-related deaths are at the heart of South Africa's National Strategic Plan on HIV and AIDS, STIs and TB 2017-2022.