1. Generally speaking, according to the severity of the epidemic, it is divided into three types: low risk area, medium risk area and high risk area. Among them, medium-risk counties refer to newly confirmed cases within 14 days within their administrative areas, with no more than 50 confirmed cases; Or the cumulative number of confirmed cases is more than 50, and no cluster epidemic has occurred within 14 days. During the epidemic period, the medium-risk area can only be reduced to a low-risk area if there are no newly confirmed local cases in 14 days. In addition, according to the relevant requirements of the joint prevention and control mechanism in the State Council, before the middle-risk area is downgraded to low risk, it needs to be studied and decided by the municipal epidemic prevention and control headquarters.
2, conditional implementation of normalized prevention and control work, strengthen epidemic monitoring and prevention. In terms of epidemic disposal, we will further refine the prevention and control measures in low, medium and high-risk areas, implement normalized prevention and control work in low-risk areas, and strengthen epidemic monitoring and response preparation; Scientifically delimit the scope of prevention and control areas in medium-risk areas to the smallest unit (such as schools taking classes and buildings as units, factories as workshops and farmers as the smallest unit), start intensive monitoring and implement terminal disinfection.
3, according to the needs of epidemic prevention and control and infection risk, determine the scope and priority of nucleic acid detection population; In high-risk areas, schools, buildings, factories, workplaces and natural villages are the smallest units to delimit prevention and control areas, and comprehensive household surveys, restrictions on crowd gathering activities, regional control and other measures are taken to start emergency response.
Relevant requirements for handling epidemic situation:
1. Increase the requirements for nucleic acid detection during centralized isolation medical observation, requiring close contacts and close contacts to be detected three times and 1 time respectively during centralized isolation medical observation; Refine the requirements of centralized isolation and home medical observation, formulate guidelines for centralized isolation and home medical observation, and guide local governments to carry out relevant work scientifically.
2, specimen collection and laboratory testing, increase the content of gene sequencing, and require the first cases and cases with unknown sources of infection and positive samples found in environmental monitoring to carry out gene sequencing and other traceability work.