Linked vaccination coverage surveys plus serosurveys among Ethiopian toddlers undertaken three years apart to compare coverage and serologic evidence of protection in districts implementing the RED-QI approach.

Vaccine · 2021 · PMC8494116 · PMID 34465472

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highly significantno p-value reported

Besides showing that the larger increases in prevalence of protective titers of tetanus antitoxin observed in Assaieta and Arbegona were highly significant, even in a highly-vaccinated population like toddlers in Hintalo Wajerate (94.3% seroprotected in 2013) the tetanus antitoxin biomarker showed that the modest 5 percentage point rise in that woreda was highly significant.

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