If you go to Yongchuan Trade City during the epidemic, as long as it is not secret, the code will not change.
When will the code change color:
1. If someone in your community is infected, your health code may turn yellow or red
2. If you have been to a high-risk area, your health code will automatically turn yellow or red
3. If you take the bus * * *. Then, as a close contact person, your health code will also change to yellow or red < P > Red code range: confirmed patients, suspected patients, asymptomatic infected people, people who have close contact with confirmed patients, and medical observation personnel.
green code range: it means that there are no symptoms at present, the health is basically normal, and people can flow and return to work; The validity period is 3 days, and you must punch in your own health card within 3 days, otherwise the health code will be changed to "gray code".