©AHMED JALLANZO/EPA/MAXPPP – epaselect epa04332725 A photograph made available 27 July 2014 shows Liberian health workers in protective gear on the way to bury a woman who died of the Ebola virus from the isolation unit in Foya, Lofa County, Liberia, 02 July 2014. Over 660 people have died of Ebola in West Africa in 2014 making it the world’s deadliest outbreak to date. Nigerian authorities have confirmed the death of a Liberian man who was carrying the Ebola virus making it the first case in Nigeria following the outbreak in Guinea, Sierra Leone and Liberia. EPA/AHMED JALLANZO

©AHMED JALLANZO/EPA/MAXPPP – epaselect epa04332725 A photograph made available 27 July 2014 shows Liberian health workers in protective gear on the way to bury a woman who died of the Ebola virus from the isolation unit in Foya, Lofa County, Liberia, 02 July 2014. Over 660 people have died of Ebola in West Africa in 2014 making it the world’s deadliest outbreak to date. Nigerian authorities have confirmed the death of a Liberian man who was carrying the Ebola virus making it the first case in Nigeria following the outbreak in Guinea, Sierra Leone and Liberia. EPA/AHMED JALLANZO