For those who are given a yellow code because of fever symptoms: if they have no epidemiological history, they no longer need family medical observation. After the nucleic acid test is negative or the fever symptoms are eliminated, the health code can be changed to the green code.
For those who have a history of living in high-risk areas and have been issued a yellow code, they should check the nucleic acid test report before Zhejiang at the first time, or accept nucleic acid testing. If the result is negative, the health code will be changed to a green code.