The Ebola outbreak in Democratic Republic of Congo is the “fastest growing” ever, African health authorities said on Thursday, as the World Health Organization said it had killed 600 people. Updated numbers issued by the UN health agency showed there have been 1,759 confirmed cases in DR Congo since the outbreak was declared in mid-May, including 600 confirmed deaths. “This is the fastest growing Ebola outbreak ever, not only among the previous Bundibugyo outbreaks, but all the different viruses