Yellow codes are mainly generated by the following categories of people, namely, people with abnormal health conditions, such as fever, shortness of breath and respiratory symptoms. Returnees from other places need to be quarantined at home for 14 days, except those from key epidemic areas. Other personnel who need to be included in the yellow code management.
The confirmed patients turned to yellow code after discharge, and turned to green code normally for 14 days. Suspected patients, close contacts and medical observers turn to the green code after removing observation.