More die of suspected Ebola as WHO warns that numbers will rise further

"We know the scale of the epidemic in DRC is much larger," the WHO chief said, adding that healthcare workers were among those who had died, which was a particular concern.A WHO official said investigations were under way to find out how long the virus had been spreading for, but that their priority was to curb transmission.The first known case was a nurse who developed symptoms and died on 24 April, in Ituri's provincial capital Bunia. The body was repatriated to Mongwalu, one of two gold-mining towns where the majority of cases have been reported. Four areas in Ituri have been affected by the outbreak: Mongwalu, Bunia, Rwampara and Nyakunde.In North Kivu, rebel-controlled Goma, eastern DR Congo's biggest city and Butembo have reported cases.DR Congo is facing its 17th outbreak of Ebola, but the Bundibugyo species - which has not been seen for more than a decade - brings its own difficulties.Bundibugyo has only caused two previous outbreaks, when it killed about a third of those infected.