What does the red and yellow code audit application mean?

Health code appealed to red team or yellow code green code, and the application was approved.

The red team or yellow code of the health code is abnormal. If the health code turns red and yellow for no reason, the health code completes the whole process of nucleic acid detection and the nucleic acid detection result is negative.

However, if the health code does not turn green, you can handle the complaint.