(CNN) -- The family of NBC cameraman Ashoka Mukpo, who contracted Ebola while working in Liberia, is cautiously optimistic after doctors said that his condition at a Nebraska hospital has improved slightly. With developments pouring in from all corners of the world, here's what you need to know to quickly get caught up: WEST AFRICA No relief in sight: The number of deaths attributed to the current Ebola outbreak has climbed to 4,033, the World Health Organization reported Friday. The tally brings the total number of confirmed, probable and suspected cases of Ebola to 8,399. The numbers were reported from Guinea, Liberia, Nigeria, Senegal, Sierra Leone, Spain and the United States.
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@placeholder's President on Thursday postponed a senatorial election that had been set for next week, citing the Ebola outbreak in the country.