The WHO (World Health Organisation) has declared Nigeria officially free of Ebola after six weeks with no new cases reported, adding that this was a ‘spectacular success story’. The country’s health authority was praised for its swift reaction when a Liberian diplomat was found to be infected after bringing the disease into the country during July.

The Ebola outbreak has now killed more than 4,500 people in West Africa, mostly in Liberia, Guinea, and Sierra Leone where an estimated 70% of those infected have died.

The WHO officially declared Senegal Ebola-free on Friday.