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October 18th Polio Update

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

AFP cases: 0

Environment: 0
Others: 0
New cVDPV isolates reported this week:
AFP cases: 11

Environment: 11
Others: `

Summary of new poliovirus cases and positive environmental samples:
Cameroon: two cVDPV2 positive environmental sample
Central African Republic: one cVDPV2 case

Cote d’Ivoire: two cVDPV2 cases and four cVDPV2 positive environmental samples
DR Congo: three cVDPV1 and three cVDPV2 cases, two cVDPV2 positive environmental samples
Madagascar: three cVDPV1 positive environmental samples
Mali: one cVDPV2 case
Yemen: one cVDPV2 case

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

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

Officially reported WPV1 and cVDPV cases as of October 10, 2023:
Wild poliovirus (WPV)
Total global WPV1 cases in 2023: 9 (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: 315 (compared with 440 for the same period in 2022)

Total global cVDPV cases in 2022: 876

Most recently reported WPV1 case: September 13, 2023, in Pakistan

October 24th, World Polio Day Resources: https://www.endpolio.org/world-polio-day-resources