Wild Polio Virus Summary:
New wild poliovirus isolates reported this week:
AFP cases: 0
Environment: 16
Others: 0
New cVDPV isolates reported this week:
AFP cases: 7
Environment: 16
Others: 0

Summary of new poliovirus cases and positive environmental samples:
Afghanistan: two WPV1-positive environmental sample
Pakistan: fourteen WPV1-positive environmental samples
Guinea: three cVDPV2 cases
Indonesia: one cVDPV2 case and one cVDPV2-positive environmental sample
Mozambique: one cVDPV2 case
Nigeria: two cVDPV2 cases
Tanzania: one cVDPV2-positive environmental sample

Afghanistan: No WPV1 cases and two positive environmental samples were reported this past week. There were six WPV1 cases reported last year.

Pakistan: No WPV1 cases and fourteen WPV1 positive environmental samples were reported this week There were six WPV1 cases reported last year.

Officially reported WPV1 and cVDPV cases as of (January 10, 2024):
Wild poliovirus (WPV)
Total global WPV1 cases in 2024: 0
Total global WPV1 cases in 2023: 12
Circulating vaccine-derived poliovirus (cVDPV) cases
Total global cVDPV cases in 2024: 7
Total global cVDPV cases in 2023: 454

Most recently reported WPV1 case: October 24, 2023, in Pakistan