What causes the health code to be yellow or red?

Generally speaking, yellow codes will appear in the following situations: first, people from risk areas in the epidemic; Second, confirmed cases or asymptomatic infected persons who have been cured less than 14 days after home observation; Third, people with fever, dry cough, shortness of breath, fatigue and respiratory symptoms.

The appearance of three health codes: red, yellow and green.

Red team refers to confirmed cases and suspected cases treated in isolation in designated medical institutions, as well as personnel from key epidemic prevention and control areas and high-risk areas.

Green code, a local resident, refers to a person who has not been judged as high-risk or medium-risk, and comes from an area with low epidemic risk and has not been judged as high-risk or medium-risk.

Huang Ma, a person in the epidemic risk area, was cured less than 14 days after home observation, or developed asymptomatic infection, fever, dry cough, shortness of breath, fatigue and respiratory symptoms.