20120913_ebola-congo
A 43 year old Congolese patient, center, who has been confirmed to have Ebola hemorrhagic fever, is comforted by Medecins Sans Frontieres (Doctors without Borders) nurse Isabel Grovas, left, and Doctor Hilde Declerck, right, in Kampungu, Kasai Occidental province, Congo, on Sept. 29, 2007. Canadian researchers are reporting on a therapy that could stop people exposed to deadly Ebola viruses from developing the disease. THE CANADIAN PRESS/AP – HO, Christopher Black