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June 19th Polio Update
Wild Polio Virus Summary:

New wild poliovirus isolates reported this week:
AFP cases: 1

Environment: 13
Others: 0
New cVDPV isolates reported this week:
AFP cases: 4

Environment: 9
Others: 3

Summary of new poliovirus cases and positive environmental samples:
Afghanistan: one WPV1 case and 10 positive environmental samples
Chad: one cVDPV2-positive environmental sample
Côte d’Ivoire: one cVDPV2-positive environmental sample
Guinea: two cVDPV2-positive environmental sample
Nigeria: three cVDPV2 cases
Pakistan: three WPV1-positive environmental samples
South Sudan: one cVDPV2 case and one cVDPV2-positive environmental samples
Zimbabwe: two cVDPV2-positive environmental samples

Afghanistan: One WPV1 case and ten WPV1 positive environmental samples were reported this past week. There were six WPV1 cases reported last year.
Pakistan: No WPV1 cases and three WPV1 positive environmental samples were reported this past week. There were six WPV1 cases reported last year.

Officially reported WPV1 and cVDPV cases as of (June 11, 2024):
Wild poliovirus (WPV)
Total global WPV1 cases in 2024: 11

Total global WPV1 cases in 2023: 12
Total global WPV1 cases in 2022: 30
Total global WPV1 cases in 2021: 6
Total global WPV1 cases in 2020: 140
Circulating vaccine-derived poliovirus (cVDPV) cases
Total global cVDPV cases in 2024: 71

Total global cVDPV cases in 2023: 526
Total global cVDPV cases in 2022: 878

Most recently reported WPV1 case: May 22, 2024, in Afghanistan.