1, the green health code holder enters the low-risk area without special circumstances, and the health code will not change color, that is, the normal green health code; If the green code holder enters the high or medium risk area and waits for one hour, the mobile phone can receive the roaming information normally, so that the health code will automatically change color from the original green code to the yellow code or the red code.
2. People with yellow code or red team can record their arrival time in the low-risk area by turning on their mobile phones after entering the low-risk area. After quarantine 14 days, if the person holding the health code does not become a secret contact or COVID-19 case, the health code will automatically become a normal green health code.
3. If the code holder becomes a close contact or case, and the information is reported to the coding platform by the code holder himself, then the platform will turn the green code of the code holder into red.
4. If the code holder is diagnosed as a case or a suspected case, the platform of the coding company will change the red health code of the code holder to a green health code 28 days after the date of recovery and discharge; For close contacts, from the date of contact to 28 days later, if they do not become cases, the coding platform will give them red health.