When will the high school risk zone be lifted?Expert explained

On September 2nd, the Municipal Government News Office held a press conference on the prevention and control of the 121st new crown pneumonia. Li Baisong, deputy chief physician of the Municipal Centers for Disease Control and Prevention, introduced the standards for lifting the high school risk zone.

Li Baisong said that in accordance with the requirements of the ninth edition prevention and control plan, after an epidemic in a certain area, according to the risk research and judgment, if the high -risk zone is defined, if the residential place is determined, the relevant requirements of the high -risk zone management must be regulated for 7 days. After the corresponding frequency of nucleic acid testing in the early stage, if there are no new infections for 7 consecutive days, and all personnel in the risk area on the 7th day will complete a round of nucleic acid testing, the result is negative, then the high risk zone can be reduced to the middle to China. Risk zone;

After being reduced to the mid -risk zone, according to the relevant requirements of the mid -risk zone, it is controlled for 3 days. If there are no new infections for 3 consecutive days, it can be reduced to a low risk zone. A total of 10 days before and after.

If the epidemic occurs in a certain place, according to the risk research and judgment, if the central risk zone is defined, such as the workplace and activity place, after the nucleic acid test of the corresponding frequency in the early stage, if there is no new infection for 7 consecutive days, and All personnel in the risk area complete 1 nucleic acid detection, and the results are negative, so the mid -risk zone can be reduced to a low risk zone. A total of 7 days of control time.

Li Baisong said, but if a new infected person occurs during the management period, the management time may be re -calculated according to the results of risk research and judgment. Because new infections appear in the high risk zone, under the existing discovery method, there may be no finding or new transmission chain that may not be found, there is a vulnerability, and there is a risk of spreading and spreading.

In addition, after an epidemic or suspected epidemic occurred in a certain area, especially in the early days when the epidemic occurred, in order to prevent the spread of the epidemic as soon as possible, in order to prevent the spread of the epidemic as soon as possible. As a result, temporary control measures are taken to related places, and according to the changes in the development of the epidemic, the scope of temporary management and control is dynamically adjusted, and it is announced to the society. After the termination of all medium and high -risk areas and temporary management and control areas, normalized prevention and control measures were implemented after research and judgment.

Reporter: Li Yanyun Yu (Trainee)

Responsible editor: Zhou Jing

School pair: Chongyunfeng

Review: Wang Fangjie

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