Babatunde Osotimehin obituary

Executive director of the United Nations Population Fund who fought against child marriage and female genital mutilation

Innovations for disease control

To mark World Health Day, we asked our community to send in innovations they had seen that aim to tackle vector-borne diseases. Here are our favourites

Letters: aid workers need to blow off steam

Emotional and physical release is crucial for people working under stress, but controlled and long-term training is much better than drinking and partying, says psychologist to aid workers Carla Uriarte