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October 25th Polio Update

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

AFP cases: 1

Environment: 17
Others: 0
New cVDPV isolates reported this week:
AFP cases: 9

Environment: 10
Others: `

Summary of new poliovirus cases and positive environmental samples:
Pakistan: one WPV1 case and 17 positive environmental samples
DR Congo: two cVDPV1 cases
Egypt: three cVDPV2 positive environmental samples
Kenya: one CVDPV2 case
Madagascar: six cVDPV1 cases and three positive environmental samples
Zimbabwe: four cVDPV2 positive environmental samples

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: One wild poliovirus type 1 (WPV1) case and 17 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 October 25, 2023:
Wild poliovirus (WPV)
Total global WPV1 cases in 2023: 10 (compared with 28 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: 324 (compared with 449 for the same period in 2022)

Total global cVDPV cases in 2022: 876

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