Progress Toward Poliomyelitis Eradication --- Nigeria, January 2018--May 2019
by from Morbidity and Mortality Weekly Report (MMWR) on (#4KXX9)
The number of wild poliovirus (WPV) cases in Nigeria decreased from 1,122 in 2006 to six WPV type 1 (WPV1) in 2014 (1). During August 2014-July 2016, no WPV cases were detected; during August-September 2016, four cases were reported in Borno State.