Appeals in Congo for more supplies as aid groups warn Ebola outbreak is ‘gaining momentum'

So far, there are 139 suspected deaths and almost 600 suspected cases.The World Health Organisation, which noted a low risk globally, has said patient zero has not been found.While almost 20 tons of aid have been airlifted to Bunia, the site of the first known death, doctors using out-of-date facemasks were tending to suspected Ebola patients in general wards because of the lack of isolation space.Early detection of the virus is key in saving lives, but the regions already weak health infrastructure and surveillance capacity have been further weakened by international aid cuts, experts say.