Attachments
Wild poliovirus type 1 (WPV1) Cases:
No new WPV-1 positive cases reported this week. In total, 39 WPV1-positive cases have been confirmed in 2025 (9 from Afghanistan and 30 from Pakistan in 2025). Environment: Five new WPV1 positive environmental samples in 2025 from Pakistan were reported this week. The new positive samples are: 3 from Balochistan (1 each from Mastung, Gwadur, and Dera Bugti districts), and 1 each from Sindh province (Karachi East town) and Punjab province (Faisalabad district), with collection dates between 10-24 November 2025. In total, 672 WPV1-positive environmental samples have been reported in 2025 (64 from Afghanistan and 608 from Pakistan).
Vaccine-derived poliovirus (VDPV)
Cases:
• cVDPV2:No new cVDPV2 cases reported this week. The cVDPV2 case count in 2025 to date is 39 (30 from Yemen, 7 from Sudan, and 1 each from Djibouti and Somalia)
Environment
• cVDPV1:No new cVDPV1 isolates were reported this week. cVDPV1 were confirmed from 10 environmental samples in 2025 (all from Djibouti). • cVDPV2: No new cVDPV2 isolates were reported this week. To date, cVDPV2 was confirmed in 47 sewage water samples in 2025 (17 from Djibouti, 13 from Yemen, 9 from Somalia, 7 from occupied Palestinian territory, and 1 from Sudan).