New wild poliovirus isolates reported this week:
AFP cases: 0
Environment: 11
Others: 0
New cVDPV isolates reported this week:
AFP cases: 9
Environment: 5
Others: 7

Summary of new poliovirus cases and positive environmental samples:
Algeria: three cVDPV2 positive environmental samples
Burkina Faso: one cVDPV2 case
Chad: one cVDPV2 positive environmental sample
Cote d’Ivoire: one cVDPV2 case
Ethiopia: five cVDPV2 cases
Somalia: one cVDPV2 positive environmental sample
Sudan: two cVDPV2 cases
Afghanistan: No WPV1 cases and no WPV1 positive environmental samples were reported this past week.
Pakistan: No WPV1 cases and eleven WPV1 positive environmental samples were reported this past week

Officially reported WPV1 and cVDPV cases as of (May 14, 2025):
Wild poliovirus (WPV)
Total global WPV1 cases in 2025: 10 (2 in Afghanistan and 8 in Pakistan)
Total global WPV1 cases in 2024: 99
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 2025: 50
Total global cVDPV cases in 2024: 310
Total global cVDPV cases in 2023: 528
Total global cVDPV cases in 2022: 878

Most recently reported WPV1 cases this year: March 9th in Afghanistan and April 2nd in Pakistan.

Director-General of the World Health Organization (WHO) named by TIME magazine as one of 100 most influential health leaders.

The World Health Assembly (WHA) convenes in Geneva next week:  health ministers and leaders from around the world will convene at WHO Headquarters in Geneva, Switzerland, next week, to discuss global public health policy, the global status of the polio eradication effort, and evaluate steps that need to be taken to achieving lasting success..