WHO announces Ebola milestone as Guinea outbreak ends The UN's health agency declares Guinea's Ebola outbreak over, two years after it emerged, spreading death across west Africa and pushing the region's worst-hit communities to the brink of collapse. One of the poorest nations in the world, the former French colony was the host for "patient zero" -- an infant who became the first victim -- and health authorities went on to record some 2,500 deaths. SOUNDBITE.