Professor of medicine and deputy director of the Desmond Tutu HIV Centre at the Institute of Infectious Disease and Molecular Medicine, University of Cape Town
Being able to take a pill discreetly, as women have done with contraceptives since the 1950s, is an HIV prevention revolution.
The global TB rate has been falling by 1.5% per year – far slower than the 10% yearly declines needed to end TB within twenty years.
#AIDS2016: New science may put the power to prevent HIV in women's hands
Turning the tide against TB: Treatment alone won’t work
Not up to the daily dilemma of what to pack your little ones for lunch? Beef up your children’s lunch boxes with these quick tips.
Thousands of women are lured from Nigeria to Italy annually by the promise of a new life, only to find themselves trapped in the sex trade.
As the death toll rises, we look at the people, the policies and the politicians at the centre of this national tragedy.
Bhekisisa means "to scrutinise" in Zulu
In South Africa, Zulu patients who would like to be thoroughly assessed by a doctor, would ask the physician to "bhekisisa" them.