At present, China has refined the epidemic area into small areas, and the health code will not change as long as it does not cross the risk area.
No matter passing by at high speed or by train, it will not take more than 4 hours, so it will not be judged as a stop, and flying over a city will not be recorded.
"Communication Big Data Travel Card" service is a public service inquiry provided by the three major telecom operators, which can be used as an auxiliary tool for users to prove their personal travel. Efforts are being made to expand the influence of the service, but the specific traffic standards should also follow the regulations of local governments, communities and access points.
Related standards
On March 5, 2020, the draft of the Reference Architecture and Technical Guide for Epidemic Prevention Codes was reviewed by the expert review meeting and 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.