Factors Associated with Missed Immunization Opportunities in Abakaliki, South-Eastern Nigeria

K J Okoro1, R C Ibekwe, M U Ibekwe

  • 1Department Of Paediatrics, University Of Nigeria Enugu Campus.

Insights

High rates of missed immunization opportunities were found, particularly in infants, often due to vaccine unavailability. Parental social class also significantly impacted immunization access, highlighting systemic issues in childhood vaccination programs.

Area of Science:

  • Public Health
  • Pediatrics
  • Epidemiology

Background:

  • Childhood immunizations are crucial for preventing infectious diseases.
  • Missed opportunities (MO) for routine vaccinations contribute to suboptimal immunization coverage.
  • Understanding factors associated with MO is essential for improving public health interventions.

Purpose of the Study:

  • To determine the extent of missed opportunities for National Program on Immunization (NPI)-scheduled childhood immunizations.
  • To identify sociodemographic factors associated with missed immunization opportunities.

Main Methods:

  • Utilized the World Health Organization's exit interview method.
  • Conducted interviews with parents/guardians of children attending a specific healthcare facility.

Main Results:

  • Only 41.6% of children were fully immunized.
  • Missed opportunities accounted for 94.9% of non-fully immunized children, with 55.4% experiencing MO.
  • The primary reason for MO was vaccine unavailability (78.3%), followed by age (92.4% in 0-11 months) and parental social class (P<0.05).

Conclusions:

  • Missed opportunities for immunization remain high due to limited clinic hours and vaccine availability.
  • Lower parental social class is significantly associated with increased missed immunization opportunities.
  • Improving vaccine supply chain and accessibility is critical to enhance childhood immunization rates.
Abstract

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