Streaming traceability work led by the public security organs, health, disease control, industry and information, transportation, market supervision, transportation management, urban communities, the three major carriers and other relevant member units to cooperate. The process of streaming is as follows:

1, unified information summary. Formation of the region's flow transfer information center, the implementation of 24-hour duty duty, responsible for big data information comparison, "red and yellow code to code" warning push, community watch "four ask five must", mass supervision and other multi-source information summary, initial verification and collation, every 10 minutes Formation of a flow of information task list;

2. Intelligent allocation of tasks. In accordance with the "territorial responsibility, intelligent distribution, with the delivery" principle, the use of information systems, within 30 minutes to complete the list of tasks intelligent distribution;

3, one linkage check. In accordance with the principle of "1 township (street) 1 flow investigation team" and "1 village 1 sub-unit", the use of data analysis, on-site inspection, telephone inquiries, field visits and other means to carry out a full range of investigations, effectively limit the radius of the activities of suspected persons within 3 hours, within 10 hours, the precise traceability of the activities of the investigated person tracked. Accurate traceability of the investigated person's activity trajectory;

4, expert review corroboration. Actively docking city CDC, invited municipal medical, public security, communications and other industry experts, to take the "online research and centralized research and judgment" combined way, the investigated activity track time logic, route logic, close connection, test results, etc. to carry out a comprehensive review of the evidence, put forward proposals for the disposal of the

5, rapid formation of the Report. Combined with the expert review opinion, in accordance with the principle of "whoever checks, whoever is responsible", the flow of investigation team to quickly complete the flow of investigation report and real-time reporting.

Legal basis: "The People's Republic of China *** and the State Law on Prevention and Control of Infectious Diseases" Article 12

In the People's Republic of China *** and the State field of all units and individuals must accept disease prevention and control agencies, medical institutions related to infectious diseases, investigation, testing, collection of samples, isolation and treatment and other preventive, control measures, and to truthfully provide the relevant information. Disease prevention and control institutions, medical institutions shall not disclose relevant information and data involving personal privacy.

Health administrative departments and other relevant departments, disease prevention and control institutions and medical institutions due to the illegal implementation of administrative or preventive, control measures, infringement of the legitimate rights and interests of units and individuals, the relevant units and individuals can apply for administrative reconsideration or litigation in accordance with the law.