Doctors Without Borders says an ebola outbreak suspected of killing at least 78 people in Guinea is an "unprecedented epidemic" that has spread across the nation.
The medical aid organisation on Monday that by the end of the week, it will have about 60 field workers with experience in working on the haemorrhagic fever divided between the capital, Conakry, and the southeast of the country.
It says all reported ebola outbreaks in recent years have been much more geographically contained. But the spread of this one will greatly complicate the tasks of organisations working to control the epidemic.
