Dengue vaccine roll-out: getting ahead of the game.

Dengue vaccines are currently being tested in clinical trials but public health specialists are already working on delivery strategies for a rapid roll-out to the people who need them most. Gozde Zorlu and Fiona Fleck report.

New WHO child growth standards catch on.

Since 2006, when the World Health Organization launched the new Child Growth Standards, over 140 countries have adopted them. Gozde Zorlu talks to Dr Mercedes de Onis about why these represent a new approach and why they are useful.