Close contacts need to implement 14+7 isolation measures after being transferred to red team, that is, 14 days of centralized isolation and 7 days of home health observation, in which 14 days of centralized isolation completed four nucleic acid tests, and 7 days of home health monitoring completed two nucleic acid tests and then turned into a green code.
However, it should be noted here that the setting, prevention and control of closed area, closed control area and prevention and control area are dynamically adjusted in real time according to the specific epidemic situation, and the health codes of people in closed control area may be marked in red in some areas, depending on local epidemic prevention measures.