Most of them can't get in. It's better not to go. If you go to a place with a large flow of people, it is easy to cause panic and inconvenience when you know that the window pops up and the box pops up. There is a good chance that it will. It is defined as affecting public safety, so it is best to do nucleic acid testing after the health code pops up, and then try to isolate it at home. If you need to buy something, you can take it out at the door.
If the health treasure pops up, you need to do nucleic acid testing immediately, otherwise it will affect your desire to go to shopping malls, canteens and many places. Although many times you think you just bought ordinary medicine, the current policy is to take preventive measures as soon as possible, so you should cooperate with the work as much as possible.