Yellow code: If you have been active and stayed near the key places where confirmed cases and asymptomatic infected people have stayed, and you may have had contact with confirmed cases and asymptomatic infected people, your health code will be included in the yellow code range.
The emergency yellow code is: the relevant personnel stay in the key areas where the epidemic occurs or the key places with the risk level of "red"; There are time-space correlation data of confirmed patients or asymptomatic infected people.
Red team: People who need to take measures to prohibit travel, concentrate at home or isolate medical observation; Yellow code: people who need to take travel restrictions and be included in community health monitoring and management after the nearest nucleic acid test or check the valid nucleic acid negative certificate; Green code: refers to the person who has not found the risk for the time being.