How to be a red horse

Go to high-risk areas or contact people in high-risk areas. Red team means that the health code is displayed in red, and the health code is divided into three colors: red team, yellow code and green code. People who go to or come into contact with high-risk areas can only become red team in this way. Health code is a personal two-dimensional code based on actual real data, which is generated by citizens or people who have returned to work on their own online declaration and background audit.