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Producing Standardized Country-Level Immunization Delivery Unit Cost Estimates.

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Estimating non-vaccine delivery costs for immunization programs is crucial for financial planning and improving vaccine coverage. This study provides updated, standardized delivery cost estimates for low- and middle-income countries.

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Area of Science:

  • Health Economics
  • Public Health
  • Epidemiology

Background:

  • Financial sustainability of immunization programs requires understanding non-vaccine delivery costs.
  • Accurate cost-effectiveness estimates are vital for resource allocation in low- and middle-income countries (LMICs).
  • Many LMICs lack reliable or up-to-date immunization delivery cost data.

Purpose of the Study:

  • To generate country-level estimates of immunization delivery unit costs for LMICs using Bayesian evidence synthesis.
  • To provide standardized, reliable cost data for routine childhood immunization services, excluding vaccine costs.

Main Methods:

  • Bayesian meta-regression analysis of empirical immunization costing studies.
  • Extracted delivery cost per dose data from 29 studies across 24 LMICs.
  • Modeled costs based on country-level (GDP per capita, DTP3 coverage) and study-level predictors.

Main Results:

  • The predicted average economic cost per dose for routine childhood immunization delivery (excluding vaccines) was $1.87 in LMICs (2018 USD).
  • Key cost components included labor ($0.74), supply chain ($0.26), capital ($0.22), and other service delivery costs ($0.65) per dose.
  • Estimates ranged from $0.64 to $4.38 (95% uncertainty interval).

Conclusions:

  • Accurate immunization delivery cost data are essential for program cost-effectiveness assessment and strategic planning.
  • These synthesized cost estimates offer valuable insights for LMICs lacking local data.
  • The findings support informed decision-making for improving immunization coverage and equity.