An MSF medical worker feeds an Ebola child victim at an MSF facility in Kailahun, on August 15, 2014. Kailahun along with Kenama district is at the epicentre of the world's worst Ebola outbreak. The World Health Organisation (WHO) revealed that the latest death toll from the Ebola virus in Guinea, Sierra Leone, Liberia and Nigeria had claimed more than1000  lives. Health Organizations are looking into the possible use of experimental drugs to combat the latest outbreak in West Africa. AFP PHOTO/Carl de Souza (Photo by CARL DE SOUZA / AFP)        (Photo credit should read CARL DE SOUZA/AFP/Getty Images)