The number of wild poliovirus (WPV) cases reported in 2017 remains down compared to last year, particularly in Pakistan where only five wild poliovirus type 1 (WPV1) cases have been reported year-to-date,...

In Syria, one new type 2 circulating vaccine-derived polio (cVDPV2) case has been reported this week.  The case was reported in Mayadeen district, Deir Ez-Zor governorate, and had onset on 19 August....

In a follow-up on the circulating vaccine-derived poliovirus type-2 (cVDPV2) outbreak in Syria, UN health officials report four additional cases this week, bringing the total to 27. Mayadeen district...

In a follow-up on the polio outbreak in Syria, five new cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported in the past week, bringing the total of cVDPV2 cases to 22, according...