It is the worst Ebola outbreak to have struck the Democratic Republic of Congo (DRC) - and the most complex one. Since August the authorities, together with a host of partners, have been trying to contain the disease in the eastern North Kivu and Ituri provinces. By 21 November, there were 373 suspected Ebola cases, 347 confirmed cases, and 217+ deaths. There is still no cure, but it is hoped that a vaccination programme will be the next step towards a more effective management of future outbreaks.Controlling Ebola is dangerous and difficult because of violent attacks in the DRC by ADF militia. On 24 November clashes broke out ‘a few metres’ from a local emergency centre and the hotels of several response teams. On the same day WHO said 16 staff members had been temporarily evacuated for psychological care, after a shell hit the building they were staying in. UN peacekeepers repelled the offensive: see