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November 13th Polio Update

Wild Polio Virus Summary:
New wild poliovirus isolates reported this week:

AFP cases: 0

Environment: 1
Others: 0
New cVDPV isolates reported this week:
AFP cases: 1

Environment: 9
Others: 0

Summary of new poliovirus cases and positive environmental samples:
Cameroon: one CVDPV2 positive environmental sample
Guinea: one CVDPV2 case
Madagascar: four cVDPV1 positive environmental samples
Mali: three CVDPV2 positive environmental samples
Niger: one CVDPV2 positive environmental sample
Pakistan: one WPV1 positive environmental sample

Afghanistan: No wild poliovirus type 1 (WPV1) cases or positive environmental samples were reported this week. There have been only six WPV1 cases reported this year.

Pakistan: No wild poliovirus type 1 (WPV1) cases and one WPV1 positive environmental samples were reported this week There have been four WPV1 cases reported this year.

Officially reported WPV1 and cVDPV cases as of November 8, 2023:
Wild poliovirus (WPV)
Total global WPV1 cases in 2023: 10 (compared with 30 for the same period in 2022)

Total global WPV1 cases in 2022: 30
Circulating vaccine-derived poliovirus (cVDPV) cases
Total global cVDPV cases in 2023: 342 (compared with 483 for the same period in 2022)

Total global cVDPV cases in 2022: 877

Most recently reported WPV1 case: October 3, 2023, in Pakistan