Learn more about HIV/AIDS disease prevention and how the use of antiretroviral drugs as pre-exposure prophylaxis can be effective in preventing HIV infection.
Dr Sindisiwe van Zyl qualified at the University of Pretoria before working for an HIV/AIDS NPO in Soweto for many years. She was named one of the Mail & Guardian's Top 200 Young South Africans in 2012.
Questions posted to HIV/Aids expert
questions answered by the expert