The first of two American aid workers infected with the deadly Ebola virus while in Liberia has arrived for a treatment in a hospital in the United States.
Dr Kent Brantly will be treated in a high security isolation unit at the Emory University Hospital in Atlanta.
As it reaches seven months since the Ebola outbreak started we take a look at the timeline of events leading up to the spread of the virus.
More than 100 British personnel are arriving in Sierra Leone to combat the Ebola outbreak in West Africa. Here's what else the UK is doing.
A man has been filmed helping an Ebola patient onto a plane without wearing any protective equipment.