An experimental Ebola drug being sent to Liberia will only have enough doses to treat two infected doctors.
The US government has approved the export of Zmapp following a request from the West African county.
The doctors who will receive the treatment have consented in writing to having it.
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.