Background: Few studies have prospectively examined sexual behaviors of HIV-infected
person on antiretroviral therapy (ART) in sub-Saharan Africa. Methods: Between 2004 and …

Objective: To explore whether differences in sexual behaviour could explain differences in
the rate of spread of HIV in four urban populations in Africa. Methods: A cross-sectional …

OBJECTIVE: To quantify the number of cases and prevalence of human immunodeficiency
virus (HIV) infection among older adults in sub-Saharan Africa. METHODS: We reviewed …

South Africa is in the midst of a devastating HIV-AIDS epidemic and most new HIV infections
occur among young adults and adolescents. The current study examined risk behaviors and …

Aim: To investigate patterns, levels and socio-demographic determinants of condom use
and consistency of use among young adults aged 15-24 years. Background: Condoms are …

Objective: To identify factors associated with prevalent HIV in a national HIV survey in
Kenya. Methods: The Kenya AIDS Indicator Survey was a nationally representative …

Background: Long-term impact of antiretroviral therapy (ART) on sexual HIV-transmission
risk in Africa is unknown. We assessed sexual behavior changes and estimated HIV …

The research uses data from a representative national survey to explore the determinants of
age at sexual debut among South African youths in the age group 15–24 years. A random …

Abstract Background: South Africa has one of the fastest growing HIV epidemics in the world
and new infections may often result from people who have tested HIV positive. This study …

Background: Distinct homosexual and heterosexual HIV epidemics have previously been
recognised in South Africa. However, linked HIV prevalence and self-reported sexual risk …