Progress towards poliomyelitis eradication: Nigeria, January-December 2017.

The article describes the progress in polio eradication activities in Nigeria from January to December 2017 and provides updates on previous reports. Highlights include the estimated number of eligible children living in inaccessible areas in 2016 who have not been vaccinated, Nigerian states that have been affected by an insurgency at Borno State in Northeastern Nigeria, and accessibility to polio eradication programme staff by ward of local government areas.