How to recover from Ebola infection

The virus has spread across Africa and infected more than 4,000 people, with more than 700 of those deaths in the past month, according to the World Health Organization.

The disease, which has been linked to severe illness, has also killed thousands in Sierra Leone and Liberia.

The worst-hit countries are Liberia, Guinea, Sierra Leone, Nigeria and Senegal.

Here is what you need to know.