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Exploring Blockchain Technology to Improve Vaccine Access in Low-Resource Countries
Anirudh Babu1, Matthew Dacso2, Yongqun He3
1The University of Texas Medical Branch, Galveston, Texas.
Studies in Health Technology and Informatics
|August 8, 2025
Summary
VAXBLOCK is a blockchain application improving vaccination management in developing countries. It enhances data integrity and privacy for better healthcare delivery and vaccination coverage.
Area of Science:
- Health Informatics
- Blockchain Technology
- Public Health
Background:
- Vaccination management in developing countries faces challenges in data integrity and accessibility.
- Existing systems often lack robust security and interoperability for managing vaccination records and inventory.
Purpose of the Study:
- To develop and demonstrate VAXBLOCK, a blockchain-based application for secure vaccination management.
- To explore the potential of blockchain technology and smart contracts for enhancing healthcare delivery in low-resource countries (LRCs).
Main Methods:
- Developed VAXBLOCK as a proof-of-concept application deployed on the Ethereum blockchain.
- Implemented features for secure management of vaccination records, appointment requests, and vaccine inventory.
Main Results:
- VAXBLOCK ensures data integrity and privacy for vaccination management.
- The application demonstrates potential for integrating immunization records with Electronic Health Records (EHRs).
Conclusions:
- Blockchain technology offers a secure and efficient solution for improving vaccination management in LRCs.
- VAXBLOCK has the potential to enhance healthcare delivery and increase vaccination coverage.
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