It is still in the epidemic period. You can't get off the highway when the health code is yellow, and you can only travel when the health code is green. If the health code is yellow, it is generally a person with abnormal health, who needs to stay at home for 7 days and will turn into a green code after punching in continuously. When the health code is yellow, it is best to observe at home and not go out, or it can be ruled out by nucleic acid testing.