Asma* recalls the long journeys between her parents’ home in Mbour, a coastal city in western Senegal, and the Aristide Le Dantec Hospital in the capital Dakar, where she was being treated for leukaemia. It was a journey she came to know by heart. Diagnosed at age 16, she spent three long years in intensive treatment, followed by another five years of monitoring for any potentially life-threatening relapse.