Why is the health code gray code?

Gray: Only "Gray Code" will be issued during the closed control period in the province. According to the phased requirements of epidemic prevention and control, health codes are gradually opened to the whole society during the epidemic prevention and control period.

In order to improve the quality of accurate investigation of "four types of personnel", strictly control the flow of "four types of personnel", scientifically manage the epidemic prevention and control personnel who have resumed work, and earnestly prepare for the next stage of resumption of work, according to the unified deployment of the whole province, Hubei Province unified epidemic prevention and control health code (hereinafter referred to as health code) will be popularized and applied in the whole city.

The health code is based on personal health data, which is declared online by residents through the health registration system, and compared with the relevant data of COVID-19 epidemic situation to generate personal two-dimensional code. As an electronic certificate of personal health information, health code will be fully applied to government services, public travel and employment. The city's health code adopts the system of "one person, one code, one code, flow check, dynamic and effective".

Health codes are divided into three colors: green code, yellow code and red code. According to the changes of citizens' health status, the three colors can be converted to each other.

Coverage of health care law

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.