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• 22,320 parents refuse to let health workers administer drops

• 18.6 million children vaccinated across 79 high-risk districts

ISLAMABAD: Despite thousands of parental refusals, a recent sub-national polio vaccination campaign reached over 18.6 million children in 79 high-risk districts, achieving 98 per cent coverage, health authorities announced.

The Pakistan Polio Eradication Initiative reviewed the May 18-24 drive during a recent meeting, noting that while the national refusal rate remained low at 0.12pc, exactly 22,320 parents refused to let health workers administer the drops.