As medics await test results on a man from Ireland who may have contracted the Ebola virus, two US aid workers have been discharged after making a full recovery.
Dr Kent Brantly and aid worker Nancy Writebol underwent intensive, experimental treatment at Emory University Hospital after contracting the disease while in Liberia.
ITV News correspondent Lewis Vaughan Jones reports:
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.