There are three health codes: green, yellow and red. Each color has a different meaning. Users need a green code to facilitate travel. Some people have black codes for the following reasons:
1, the health code is black, indicating that the health code applied by the user is under review. When the review is completed, the green code, yellow code and red team will be displayed.
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3. The user failed to authenticate successfully or failed to authenticate. Please try authentication again.
4. There is no location service.
The health code system is updated in real time according to the comprehensive situation of citizens. If you stay in the epidemic area or contact with high-risk personnel, the health code will be changed to red team. During the epidemic period after the health code goes online, the status of each citizen during the epidemic prevention and control period can be judged through the dynamic management of green, yellow and red, and the code can be displayed in and out of residential quarters, offices, restaurants and other occasions to facilitate the needs of the general public for work, life and travel.
Red team: Delegates need to be treated in designated hospitals or implement centralized medical observation and isolation measures.
Yellow code: It means that enterprises can enter and leave the community and return to work, but it is not recommended to enter and leave crowded public places and take public transport in the city.
Green code: it means that you can move freely indoors, but you need to do personal protection and cooperate with temperature detection. Therefore, it is really necessary to pay attention to the hygiene rules, but we should pay more attention to daily protection, wear masks and wash our hands frequently.