Pakistan's Fifth Polio Case of 2026 Confirmed in Bannu, Where Security Keeps Blocking Vaccination Teams

A 17-month-old girl in Bannu district has become Pakistan's fifth confirmed wild poliovirus case of 2026, health officials said around September 29 — the fourth case this year traced to the same Khyber Pakhtunkhwa division, and a reminder of why the country's eradication effort keeps stalling in one specific corner of the country.

The latest case

The child, from the Khandar Khankhel union council of Domel tehsil in Bannu district, is the fifth laboratory-confirmed wild poliovirus type 1 (WPV1) case recorded nationally this year. Of Pakistan's five cases in 2026, four have come from Khyber Pakhtunkhwa — with three of those specifically from Bannu district — and one from Sindh. That is a small absolute number by historical standards: Pakistan recorded 74 confirmed cases as recently as 2024, before bringing the annual count down sharply through repeated vaccination drives.

Why Bannu specifically

The reason the same district keeps reappearing in Pakistan's case count is not a gap in the vaccine or the national campaign design — it is access. A polio expert cited by reporters covering the case described "severe security-related issues in Bannu where not only polio campaigns are stopped, but at times polio team workers are also kidnapped." That combination — suspended campaigns and threats against the health workers who run them — leaves pockets of children in the district under-vaccinated even while national coverage figures look far better than they did a few years ago.

How this connects to Pakistan's broader eradication push

The new case lands just days after the World Health Organization's Polio IHR Emergency Committee extended Pakistan's international travel restrictions for another three months, a decision we covered as it was announced. That review had already flagged Bannu by name as an area of continued transmission risk, noting that a week-long sub-national vaccination campaign running September 21-27 across 115 districts was still facing access constraints there. The fifth case confirms exactly the risk the WHO committee was reacting to: environmental and case surveillance data pointing to the same access gap, rather than a broad resurgence.

The gap between national progress and local risk

Pakistan's overall trajectory on polio remains one of the country's clearer public-health success stories — a 99.8% reduction in cases since the early 1990s, when the country recorded an estimated 20,000 cases a year, down to 31 in all of 2025 and five so far in 2026. But that national trend line sits uneasily next to a district-level reality where campaigns can be suspended entirely for security reasons, and where the last mile of eradication depends on conditions the health system itself cannot control. Until vaccination teams can operate in Bannu on the same footing as the rest of the country, officials are likely to keep describing the same pattern: a national number that looks increasingly under control, anchored by a persistent, security-driven gap in one place.

Build Better Pakistan's Health Desk tracks Pakistan's polio eradication campaign and will report on the next case count update and any change in Bannu's security-linked access constraints.