What are the conditions under which the health code will become yellow code on the self-reporting of fever, shortness of breath, respiratory symptoms of the information, the confirmed cases cured within 14 days of discharge, asymptomatic infected persons released from quarantine within 14 days of the suspected cases excluded from the 14 days of the people, released from quarantine medical observation of the close contacts and the history of the traveler in high-risk areas, such as the implementation of home health monitoring, the autonomous region to respond to the epidemic, the autonomous region, the autonomous region to respond to the epidemic, the autonomous region to respond to the epidemic, the autonomous region to respond to the epidemic, the autonomous region to respond to the epidemic. People who are required to implement home health monitoring, and people identified by the autonomous region's work command for responding to the epidemic as being at key risk for monitoring. At the same time, with a confirmed case or asymptomatic infected people in a certain range *** with more than 10 minutes, and the last 14 days either party in the area of the cumulative length of stay of more than 30 hours, the existence of a higher risk of infection, will also be assigned a yellow code.

With the upgrading of the epidemic prevention and control efforts, after the relevant departments to comprehensively utilize big data and various types of information resources, accurate mapping of the trajectory of the activities of confirmed cases, and confirmed cases have trajectory overlap of the personnel to carry out a comprehensive combing of the investigation, and confirmed cases have trajectory intersection of 14 days, the "green code" of the public would be The "green code" will be turned into a "yellow code". "Whether it is physically rubbing shoulders, or communication signals in the same grid **** the same stay, there is a possibility that my green health code into a yellow code with a warning." Provincial big data center related person in charge said.