In Syria, 15 new cases of circulating vaccine-derived poliovirus type 2 (cVDPV2) were reported in the past week, bringing the total number of cVDPV2 cases in the country to 17. Sixteen of the 17 cases are from Mayadeen district, Deir-Al-Zour governorate, and one case is from Raqua district, Raqua governorate. All cases had onset of paralysis between 3 March and 23 May.
The 14th report of the Independent Monitoring Board (IMB) has been published, following the group’s meeting in May.
Summary of newly-reported viruses this week: Syria – 15 new circulating vaccine-derived poliovirus type 2 (cVDPV2) were isolated from acute flaccid paralysis (AFP) cases, and four new cVDPV2 isolated from healthy community contacts. Pakistan – one new wild poliovirus type 1 (WPV1) isolated from an environmental sample. See country-specific sections below for more details.