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
Science could be closer to unravelling the riddle of menstruation-related mood disorders
A little extra money in young women's homes can go a long way towards protecting them from HIV infection. So can a little bit of concern.
Ebola tore into the fabric of family life, and the relationships that bind them. These are two similar stories, with very different endings.
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.