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The Pan American Health Organization developed the Methodology and Tool for the Expanded Program on Immunization (MD-PAI) to assess national immunization programs. While political priority and planning show strength, social communication requires improvement.

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Area of Science:

  • Public Health
  • Health Systems Strengthening
  • Vaccine-Preventable Disease Control

Background:

  • The Pan American Health Organization (PAHO) aims to "Reinvigorate Immunization as a Public Good for Universal Health."
  • National Expanded Programs on Immunization (EPI) require robust monitoring and evaluation.
  • Assessing EPI performance across multiple technical components is crucial for public health.

Purpose of the Study:

  • To introduce the Methodology and Tool for the Expanded Program on Immunization (MD-PAI).
  • To provide Member States in the Americas with a standardized method for EPI performance assessment.
  • To facilitate the identification of strengths, weaknesses, and actionable strategies within national EPIs.

Main Methods:

  • Development involved reviewing existing EPI evaluation methodologies.
  • Prioritization and selection of questions for 13 technical EPI components.
  • Piloting, calibration for validity and usability, and multilingual publication.

Main Results:

  • The MD-PAI facilitates data collection, lesson documentation, and action plan development for EPI improvement.
  • Fourteen countries in the Americas implemented the MD-PAI since 2023 for planning and budgeting.
  • Political priority and planning/programming components performed best; social communication showed the most gaps.

Conclusions:

  • PAHO's MD-PAI aids countries in assessing EPIs, identifying best practices, and addressing gaps.
  • Action plans developed through MD-PAI implementation aim to strengthen national immunization programs.
  • The long-term impact on vaccination coverage and disease epidemiology requires continued monitoring.