The reasons why the health code turns red are: 1, confirmed cases, suspected cases, asymptomatic infected persons, patients who have been cured for less than 14 days and asymptomatic infected persons.
2. Close contacts of confirmed cases, suspected cases and asymptomatic infected persons.
3. People from high-risk areas or closed control areas and control areas.
4, whether to implement centralized isolation of medical observers.
5. Other personnel who need to be included in the management of red team.