1. Confirmed cases, suspected cases and asymptomatic infected persons, as well as confirmed cases and asymptomatic infected persons who were cured and discharged from hospital less than 14 days after medical observation at home;
2. Close contacts of confirmed cases, suspected cases and asymptomatic infected persons;
3. Persons from particularly severe epidemic areas and other high-risk areas;
4. Persons who are implementing centralized isolation medical observation;
5. Other personnel who need to be included in the management of red team.