Based on the data collected from the country, departments and districts, through the prevention and control rules and data modeling, analysis and evaluation, three risk states of green, orange and red are calculated.
In addition, foreigners need to upload photos of identity documents when applying, as well as photos taken when holding identity documents. After the system is audited, they can follow the normal process.
Extended data:
Precautions:
Health codes are mainly based on real data. You can apply for Alipay, or you can apply for WeChat yourself, and generate a personal QR code after background review. After the QR code is generated, you will judge your health status according to your activity trajectory, activity location, public transportation, consumption records and other big data.
If the content of the declaration is different from that of big data, it is very likely that the code will be different. Indeed, as a health code, you can't know when you will get sick. It can only play a monitoring role in the process of epidemic prevention and control.
Baidu encyclopedia-health password
People's Network-Health codes in most parts of the country can achieve one code pass.