2. Low-risk residents go to high-risk and medium-risk areas: those with green codes enter high-risk and medium-risk areas, wait 1 hour and the health code will automatically turn red and yellow after the mobile phone is turned on.
3. Medium-risk residents go to low-risk areas: From the arrival time, the first 2 1 day is yellow code, and after 2 1 day, the normal results of nucleic acid test are uploaded and turn green. Those who have not uploaded will always be in a yellow code state.
4. High-risk residents go to low-risk areas: From the arrival time, the first 14 days is red team, and the last 7 days are yellow codes. After 2 1 day, the normal results of nucleic acid detection were uploaded and turned green. Those who have not uploaded will always be in a yellow code state.
For residents in high and medium risk areas, the health code will automatically change to the corresponding color from the day when the State Council designated the area as a high and medium risk area. After the risk area is downgraded, the color of the health code will also change. People with yellow code or red team will automatically record the arrival time as long as they turn on their mobile phones when they arrive in low-risk areas. After quarantine 14 days, if they don't become secret contacts or cases, the health code will automatically turn green. If it becomes a secret connection or case, as long as the epidemic information is reported to the platform of the coding company in turn through the information system, the platform will turn its green code into a red code.