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An automated routine childhood immunization approach using openEHR.

Zhiming Liu1, Nafees Qamar, Jie Qian

  • 1United Nations University, International Institute for Software Technology, Macau, SAR China.

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Summary

This study introduces the Light-weight Electronic Traceable and Updatable System (LETUS) to improve Pakistan's manual immunization system. LETUS enhances childhood immunization coverage and data traceability through digital record-keeping and real-time monitoring.

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Area of Science:

  • Public Health
  • Health Informatics
  • Information Systems

Background:

  • Pakistan's manual immunization system faces challenges with record-keeping, child reach, and census data.
  • Existing systems lack efficiency and traceability, impacting vaccination coverage.

Purpose of the Study:

  • To propose and evaluate the Light-weight Electronic Traceable and Updatable System (LETUS) for improving childhood immunization in Pakistan.
  • To enhance immunization coverage and data traceability using an openEHR-based solution.

Main Methods:

  • Development of LETUS, featuring data collection, population estimation, and alert services.
  • Implementation of thin client modules for data entry and regional coverage feedback.
  • Integration with existing regional immunization registry systems using openEHR.

Main Results:

  • LETUS provides real-time monitoring of vaccination coverage against population estimates.
  • The system generates alerts for regional coverage deviations (under or over-coverage).
  • OpenEHR enables data sharing within immunization registry systems.

Conclusions:

  • The proposed LETUS offers a scalable, traceable, and efficient solution to manual immunization record-keeping.
  • LETUS can significantly improve childhood immunization coverage and reporting accuracy in Pakistan.
  • Digital transformation using smart phone applications and web services is key to modernizing health systems.