Background: Substantial outbreaks of yellow fever in Angola and Brazil in the past 2 years, combined with global shortages in vaccine stockpiles, highlight a pressing need to assess present control st
aCochrane-Mantel-Haenzel test.bAdjusted by age, sex, education level, and monthly income with logistic regression analysis.cThirty-two missing values were excluded from the analysis.dOne hundred and n
Background In Tigray, immunization services have been severely interrupted, and cases with vaccine preventable diseases become rampant due to the conflict. However, there is limited evidence on the st