The yellow code of the health card means that there is no abnormality in the epidemic prevention data through the national government platform, but there is abnormality in the field temperature measurement, that is, the temperature exceeds 37 degrees three, which is the yellow code. If this happens, it will usually be isolated for seven days. At present, during the epidemic prevention and control period, people with code yellow and red team are not allowed to pass, and they must be isolated for observation and medical treatment according to the requirements of the prevention and control department. Only people with green codes can pass normally. Health codes are generally divided into three colors: red, yellow and green. In some places, they are orange and purple. The purple code indicates confirmed and suspected or asymptomatic infected persons, and the orange code indicates close contacts.
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