Nigeria is expected to be declared officially free of Ebola on Monday, after six weeks with no new cases.

Nigeria has won praise for its swift response after an infected Liberian diplomat brought the disease there in July. The World Health Organization officially declared Senegal Ebola-free on Friday and is set to declare Nigeria an Ebola free zone.

The World Health Organization can officially declare an Ebola outbreak over if two incubation periods of 21 days pass with no new cases, of which the last reported case in Nigeria was discovered on 5 September.