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Improving immunization data quality in Peru and Mexico: Two case studies highlighting challenges and lessons learned.

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Area of Science:

  • Public Health Informatics
  • Health Information Systems
  • Vaccination Programs

Background:

  • Global and regional action plans emphasize improving immunization data quality.
  • Electronic immunization registries (EIRs) are key tools for managing vaccination programs and increasing coverage.
  • Limited knowledge exists on EIR implementation in low- and middle-income countries (LMICs).

Purpose of the Study:

  • To examine the experiences of Mexico and Peru in developing and implementing EIRs.
  • To identify challenges and lessons learned in establishing sustainable immunization information systems in LMICs.

Main Methods:

  • Comparative case studies of an EIR in Mexico and a population registry in Peru.
  • Data collection through technical documents, stakeholder focus groups, site visits, and interviews.
  • Findings organized into narratives focusing on challenges and lessons learned.

Main Results:

  • Mexico's early EIR faced sustainability issues due to insufficient resources and poor data practices.
  • Peru's population registry improved social program affiliation, including immunization data quality.
  • Common challenges included funding, governance, and health worker resistance in both countries.

Conclusions:

  • Successful EIR implementation in LMICs necessitates adequate funding, sustainability plans, and health worker training.
  • Innovative approaches like economic incentives and linking immunization data to broader health priorities are suggested.
  • Further research on best practices is crucial for the adoption and sustainability of immunization registries.