Table 1: Global status of poliomyelitis cases from 2016-17 (as of 6 December 2017) [17].
* indicates a polio-endemic country. + indicates a country currently affected by circulating vaccine-derived poliovirus. WPV: wild polio virus; cVDPV: circulating vaccine-derived polio virus; NA: not applicable; date prior to 2016.
Country Year-to-date 2017 Total in 2016 Onset of paralysis of most recent case
WPV cVDPV WPV cVDPV WPV cVDPV
*Afghanistan 11 0 13 0 05/11/2017 NA
*Pakistan 5 0 20 1 21/08/2017 17/12/2016
*Nigeria 0 0 4 1 21/08/2016 28/10/2016
+ Syria 0 70 0 0 NA 09/09/2017
+ DDR Congo 0 10 0 0 NA 14/09/2017
+Lao PDR 0 0 0 3 NA 11/01/2016