The health code changes according to whether you are infected with COVID-19 virus or have time-space intersection with the infected person.
During the family health monitoring period of 14 days after the confirmed case or asymptomatic infected person is cured and discharged from hospital, those who are all negative in nucleic acid test will turn to yellow code.
After the close contact or asymptomatic infected person of the confirmed case is released from centralized isolation medical observation, the health code of the person in the 7-day home health monitoring period is yellow code.
After the close contact of the confirmed case or asymptomatic infected person is released from centralized isolation medical observation, the health code of the person during the 7-day home health monitoring period is yellow code.