Effectiveness of Mandatory and Incentive-Based Routine Childhood Immunization Programs in Europe: A Systematic Review of the Literature.

Vaccines (Basel) · 2021 · PMC8538772 · PMID 34696280

Europe PMC DOI

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a clear trendno p-value reported

Tightening vaccination policy in Latvia also showed positive effect, with a high degree of certainty on vaccination coverage and incidence, while the indicators in Moldova do not show a clear trend.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.