Determination of close contact and sub-closet:

1, Changna close contact that is, close contacts

The suspected cases and confirmed cases of symptoms before the appearance of the beginning of 2 days, or asymptomatic infected specimens before the beginning of the sampling of 2 days, and with their proximity to the contact but did not take effective protection of the personnel, such as the same residence, the same meal, coworkers, classmates, The same toilet, the same travel, the same work, and so on.

2, the second close contact that close contacts of close contacts

Generally refers to the close contact with the new confirmed cases of Crown pneumonia, suspected cases of skin resistance, asymptomatic infected persons of the first contact to the close to be isolated management, and the close contact with the close with the *** with the living life, the same confined environment, work, meals and recreation, and other close contact and no effective protection measures.

Control measures:

1, according to the ninth edition of the "new coronavirus pneumonia prevention and control program" relevant provisions, close contacts to take "7 days of centralized isolation for medical observation + 3 days of home health monitoring" management measures (hereinafter referred to as "7 + 3" management measures), home health monitoring measures (hereinafter referred to as "7 + 3" management measures), home health monitoring measures (hereinafter referred to as "7 + 3" management measures).

One nucleic acid test on each of the 1st, 2nd, 3rd, 5th and 7th days of centralized isolated medical observation, and one nucleic acid test on the 3rd day of home health monitoring.

2, the second close to take 7 days of home isolation medical observation, daily temperature and symptom monitoring should be done, in the first, fourth and seventh days of a nucleic acid test. Home isolation during medical observation may not go out, refused all visits (for medical and other outside the need to hold dust out of the personnel, by the community medical observation management personnel approved before, arranged for a special car, the whole personal protection, the implementation of closed-loop management).