Legal analysis: We should continue to strengthen the flow of segregation and control, do a thorough job of tracing the flow, and make use of inquiries and investigations, big data tracking, and other means to thoroughly investigate all the closely-connected and sub-closely-connected people, so as to ensure that they should be segregated to the fullest extent possible. The isolation point should fully implement the "three zones and two channels" set up in the isolation place, the disposal of medical waste and the disinfection of domestic sewage and other measures, strengthen the staff's business training, strictly regulate the operation process, do a good job of disinfection and disinfection, nucleic acid testing, etc., and strengthen the isolation of the psychological guidance and humanistic care of the personnel. To establish and improve the epidemic prevention and control command system, scientific research and evaluation of the epidemic situation, compaction "four parties" responsibility, article by article and item by item to the epidemic prevention and control measures to implement the detailed and small, to the practical. To increase the foreign personnel, especially in high-risk areas to the positive personnel investigation efforts, "horizontal to the edge, vertical to the end", so that the bottom line is clear, the situation is clear. To do a good job of high quality and efficiency of nucleic acid testing, the county will be two days for a nucleic acid test, the organization unit, sampling unit, delivery unit to pull out a list to ensure that each link seamless, resolutely do not miss the household, no one.

Legal basis: "Chinese People's **** and the State Law on Prevention and Control of Infectious Diseases"

Article 33 Disease prevention and control agencies shall take the initiative to collect, analyze, investigate, and verify information on infectious disease outbreaks. Received a class A, class B infectious disease epidemic report or found an outbreak of infectious diseases, epidemic, shall immediately report to the local health administrative department, the local health administrative department immediately report to the local people's government, while reporting to the higher level of the health administrative department and the State Council health administrative department. Disease prevention and control agencies shall establish or designate a special department, personnel responsible for infectious disease outbreak information management, timely verification and analysis of outbreak reports.

Article 34 The health administrative departments of the local people's governments at or above the county level shall promptly notify the disease prevention and control agencies and medical institutions in the administrative region of infectious disease outbreaks as well as monitoring and early warning of relevant information. Receive notification of disease prevention and control institutions and medical institutions shall promptly inform the relevant personnel of the organization.