The person being treated in isolation in a Belfast hospital has tested negative for Ebola.
Despite killing a majority of people it infects, some patients survive the onslaught of Ebola virus. What gives them this resistance?
The World Health Organisation has announced that one million doses of an Ebola vaccine will be produced by the end of 2015.
A New York doctor has tested positive for Ebola after returning from working in the West African country of Guinea.
Ban Ki-moon has launched an urgent appeal for funds to help fight Ebola, after a United National drive for donations reached just 0.01% of its goal in its first month.