Their conditions improving, nearly all of the children admitted to health centres for nodding syndrome have now been released, according to Uganda’s Ministry of Health; less severely affected patients have also started treatment. Even as health officials bring the symptoms under control, the cause of the syndrome remains unknown, which means all of Uganda's diagnosed patients will have to remain on treatment for long periods. And gaps in the health system - highlighted by a recent two-day strike at an affected health facility - have raised questions about the government's ability to provide consistent care.