Evaluation of Factors Influencing Vaccine Uptake in Mozambique

Abstract

A pulse immunization project was started in Mozambique to compensate for the decrease in routine immunization caused by destabilization. A study was conducted to evaluate the project and identify determinants of vaccination in urban and rural areas of Mozambique. Vaccine coverage based on a documented record, the 'Road to Health' card, was 53% in urban and 60% in rural project areas, and 12% higher if a verbal history of vaccination was considered. A further 17% of children would have received effective vaccination if the correct schedule had been followed for all vaccines given and all preventive health services contacts had been used for vaccination. Factors relating to the individual mother and child and factors relating to the clusters were investigated for their association with vaccine uptake. Those which showed a strong negative association included vaccination on offer at the nearest vaccination post for only a small number of days per week; cancellation of an outreach session; knowing a child with a post-vaccination abscess; child born at home; at least five children in the family; mother's inability to speak Portuguese and her inability to name at least two target diseases. Improving the supervision of health services and immunizing at least three days per week at permanent immunization clinic sites may be the most important measures to improve coverage further.

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