Missed opportunities for immunization during visits for curative care: a randomized cross-over trial in Sudan

B P Loevinsohn1, E Gareaballah

  • 1Management Sciences for Health/Child Survival Program, Department of Health, Manila, Philippines.

Insights

Simple interventions like relocating vaccination sites or doctor recommendations increased infant immunization rates to 55% in Sudan. However, reaching sick or unvaccinated infants requires further community engagement and education.

Area of Science:

  • Pediatrics
  • Public Health
  • Vaccination Strategies

Background:

  • Infants in developing countries often miss vaccinations during curative care visits.
  • Integrating vaccination services with routine healthcare is a challenge.

Purpose of the Study:

  • To evaluate the effectiveness of two simple interventions to increase infant immunization rates.
  • To assess if proximity of vaccination services or physician recommendation improves vaccination uptake.

Main Methods:

  • A randomized cross-over study was conducted in twelve urban health centers in Sudan.
  • Two interventions were tested: moving vaccination services closer to consultation rooms and physician-prescribed vaccination recommendations.
  • Vaccination coverage was compared between the two approaches.

Main Results:

  • An average of 55% of eligible infants received immunization under either intervention.
  • No significant difference was observed between the two interventions (mean difference, 2%; 95% CI, -4% to +7%).
  • Maternal perception of infant sickness, infant age, and prior vaccination status influenced refusal rates.

Conclusions:

  • Simple, low-cost interventions can reduce missed vaccination opportunities.
  • Addressing barriers for sick, unvaccinated, or underserved infants requires enhanced social mobilization, health education, and outreach programs.

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