Key result
OPV evaluation reveals only 42% valid immunization despite high reported coverage and universal quality failures.
Cross-Sectional (n=1,080)
No
Low routine and NID polio vaccination coverage, along with poor logistics and monitoring quality, remain major constraints in polio eradication efforts in Pakistan.
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Indicates potential overestimation of effective polio coverage; leaves open optimal strategies for improving vaccination quality in endemic districts.
Mushtaq et al. (2010) conducted a cross-sectional in Polio immunization coverage (n=1,080). Polio Eradication Initiative services was evaluated on Routine OPV III coverage by card plus history (95% CI 93.9-96.5). Evaluation of the Polio Eradication Initiative in a Pakistani district revealed that while routine OPV coverage by card plus history was 95%, only 42% had valid immunization, and all lots failed quality assessments.
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