PAKISTAN enters its latest polio campaign in a better position than it did a year ago. Only four cases have been reported so far in 2026, compared with 31 last year. That is real progress, but it would be a mistake to read too much into the decline. As vaccinators move through 115 high-risk districts to reach more than 31m children, the real test is whether they can get to those who are repeatedly missed. Southern KP remains the clearest warning. Three of this year’s four cases have come from Bannu........

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