The color of the health code will not change when passing through the middle dangerous area by train. Health codes do not collect personal location information. Only when the holder of the health code has a fever and is announced by the administrator will the health code change color.
Generally speaking, the health code is green. But when you stop in an epidemic area, the health code will change color.
The specific scope of use of health code:
The standard covers the functions closer to real life applications such as relatives binding, and solves the problems of reporting and traveling epidemic prevention information for the elderly and children.
The application scope of health code covers community management, resumption of business, transportation, starting school, drug purchase registration, supermarkets and shopping malls, which can help communities, enterprises and schools to do key work such as epidemic prevention management and epidemic control.
In the prevention and control of epidemic situation and resumption of production, health code can realize efficient personnel flow management, improve the inspection efficiency of office buildings, shopping malls, subways, railway stations and other crowded places, and avoid excessive personnel contact and gathering.