Health code travel code is a unique identification for everyone. You can't take screenshots or spread them out. If it is accidentally spread abroad and then used by others, resulting in the spread of the virus, it is really harmful to others.
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.