Health codes are based on real data and can be generated by citizens or people who have returned to work through online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city. On March 5, 2020, the draft of the Reference Architecture and Technical Guide for Epidemic Prevention Codes (hereinafter referred to as "Standards") passed the review of the expert review meeting and was formally submitted for approval. The promulgation of this standard provides technical specifications for the development enterprises of epidemic prevention codes, and regulates and requires the functions required for personnel management, authorization management and collection point management of epidemic prevention code users.
On April 29, 2020, the General Administration of Market Supervision (Standards Committee) issued an announcement, releasing a series of national standards for personal health information codes. This series of standards adopted the quick procedure of national standards, and it only took 14 days from project establishment to publication. After the implementation of this series of national standards, the coding system, display mode and data content of personal health information codes can be unified, and the protection of personal information and the enjoyment and utilization of information can be considered as a whole, which is suitable for guiding the design, development and system integration of health code-related information systems.
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