The first global comparison of adolescents that acquired HIV as newborns highlights the challenges around treatment.
The placenta could hold the answers to why HIV positive women report higher rates of premature deliveries.
Precision public health has the potential to transform the global health sphere by ensuring that the right interventions are brought to the right people in the right places.
South Africa's programmes preventing HIV transmission from mothers to children have been hugely successful. But there are still gaps that need to be filled.