Objective: Adolescent and young adult (AYA) populations (12–24 years) represent over 40%
of new HIV infections globally. Adolescence is sometimes characterized by high-risk sexual …

Context South Africa has the most HIV infections of any country in the world, yet little is
known about the adolescent continuum of care from HIV diagnosis through viral …

The scale-up of antiretroviral therapy (ART) is expected to raise adult life expectancy in
populations with high HIV prevalence. Using data from a population cohort of over 101,000 …

Methods: We used STDSIM, a stochastic microsimulation model, and developed an
approach to represent HIV prevalence and treatment coverage in 43 countries in SSA, using …

Methods The study was conducted in two ART clinics in Ndola, Zambia, from December
2011 to February 2012. One clinic was in a children's hospital and the second in a central …

Objective To determine retention in care and virologic suppression among HIV-infected
adolescents and young adults attending an adolescent-friendly clinic compared to those …

Background Expanded access to antiretroviral therapy (ART) using universal test and treat
(UTT) has been suggested as a strategy to eliminate HIV in South Africa within 7 y based on …

To assess facilitators and barriers to retention in care for adolescents living with HIV, we
conducted in-depth, semi-structured interviews with adolescents ages 13 to 24 years who …

The global response to the HIV epidemic represents one of the greatest public health
achievements of this century. The successful scale-up of antiretroviral therapy (ART) …

This working paper provides a detailed technical description of the THEMBISA model, an
integrated demographic and epidemiological model of the South African HIV/AIDS epidemic …