Despite substantial progress in tackling the HIV epidemic worldwide in the past two decades, there is one population in which the epidemic continues to grow in countries of all incomes: men who have sex with men (MSM). A six-part Series by THE LANCET, explore the unique aspects of the HIV epidemic in MSM, showing that factors such as the biology of HIV transmission in anal sex and the characteristics of MSM networks, as well as known behavioural factors, are driving the epidemic in this population.

A number of papers are carrying stories about the prospects for an HIV cure - this commentary in The Lancet explains what the Berlin patient has taught us.

The young TB patients at Cape Town'€™s Brooklyn Chest Hospital will be able to cosy up this winter following donations of warm clothes, toys and baby food. By Kim Cloete.