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Polio this week

The beginning of Rotary’s mission to end polio…

In 1979, a two-year old named Allan Evangelista received one of the first drops of the oral polio vaccine in the Philippines, as part of a historic Rotary-supported immunization campaign.  Nearly five decades later, an unexpected discovery reconnects Allan and his family with that important moment in history.  Watch his story in this video.

Polio in wastewater – the science behind a system providing early warnings

In the fight to eradicate polio, wastewater environmental surveillance acts as an early warning system. Poliovirus can circulate silently because most infections do not cause paralysis, and infected people can shed virus in their stool without knowing they are infected. Routine sampling of wastewater from communities therefore offers a window into what is happening across an entire community, including virus transmission that would otherwise remain invisible.  Find out how the system is working in the United Kingdom.

Ramesh Ferris wants you to look at his legs — and understand why ending polio matters

Canadian Polio survivor, Rotarian and Global End Polio Advocate Ramesh Ferris has a powerful message: no child should have to live with the lifelong consequences of a disease we can prevent.  Ramesh is one of the most passionate voices in the global effort to eradicate polio. A longtime Rotary member and advocate, he has raised awareness and mobilized support for a polio-free world, including by hand-cycling 7140 km across the entire country of Canada in a programme called ‘Cycle to Walk’, in the process raising funds for Polio Eradication, Education and Rehabilitation.  In a moving new video featured by Bill Gates on Gates Notes, Ramesh explains why he sometimes chooses to crawl onto a stage rather than walk. By showing audiences the physical consequences of polio, he makes the case for eradication in a way that statistics alone never could.

Summary of new polioviruses this week

  • Afghanistan:  eight WPV1 cases and 16 WPV1-positive environmental samples
  • Pakistan:  one WPV1 case and 11 WPV1-positive environmental samples
  • DR Congo:  nine cVDPV2 cases
  • Ethiopia:  two cVDPV1 cases
  • Somalia:  one cVDPV2-positive environmental sample
  • Uganda:  two cVDPV2-positive environmental samples
Country updates as of 04 October 2026

More information on the countries that have reported cases and/or environmental samples this week.

  • Eight WPV1 cases were reported this week, from Nangarhar, Hilmand, Baghlan, Farah and Kandahar, with onsets of paralysis in August 2026 and September 2026. The total number of cases in 2026 is 50 (most recent case:  30 September 2026). The total number of cases in 2025 is 21.
  • 16 WPV1-positive environmental samples were reported this week, from Kabul, Hilmand, Kandahar, Paktika and Nangarhar, collected in September 2026 (most recent positive environmental sample:  24 September 2026).

  • One WPV1 case was reported this week, from Khyber Pakhtunkhwa, with onset of paralysis on 16 September 2026. The total number of cases in 2026 is eight (most recent case:  18 September 2026). The total number of cases in 2025 is 31.
  • Eleven WPV1-positive environmental samples were reported this week, from Khyber Pakhtunkhwa, Balochistan and Sindh, collected in October 2026 (most recent positive environmental sample:  7 October 2026).

  • Nine cVDPV2 cases were reported this week, from Haut Lomami, Haut Katanga, Lualaba and Tanganyika, with onsets of paralysis in July 2026, August 2026 and September 2026. The number of cVDPV2 cases in 2026 is 93 (most recent case:  25 September 2026). The number of cVDPV2 cases in 2025 is seven.
  • No cVDPV2-positive environmental sample was reported this week (most recent positive environmental sample:  31 August 2026).
  • No cVDPV1 cases were reported this week. The number of cVDPV1 cases from 2025 is one (onset of paralysis: 25 June 2025).

  • Two cVDPV1 cases were reported this week, from Oromia, with onsets of paralysis on 19 April 2026 and 22 April 2026. The number of cVDPV1 cases in 2026 is eleven (most recent case: 25 May 2026).
  • No cVDPV2 cases were reported this week. The total number of cases reported in 2025 is 40 (most recent case: 7 October 2025).

  • No cVDPV2 cases were reported this week (most recent case: 22 June 2026). There are six cases reported in 2026. Two cases were reported in 2025. 
  • One cVDPV2-positive environmental sample was reported this week, from Middle Shabelle, collected on 10 September 2026 (most recent positive environmental sample:  21 September 2026).

  • Two cVDPV2-positive environmental samples were reported this week, from Kampala, collected on 1 September 2026 and 6 October 2026 (most recent positive environmental sample).  These isolates are linked to an emergence from South Sudan.