The orange code is only the unified code of personnel management in the prevention area, and the yellow code is the population (time-space companion) that may be exposed by confirmed cases or asymptomatic infected people; Persons with a history of residence in counties and cities where high-risk areas are located or in middle-risk areas where potential risks are spread by communities; Have a history of living in the city and state where the medium-risk area is located; For those returning from provinces with local epidemic situation, key personnel in 29 high-risk positions in the province should regularly carry out nucleic acid testing according to relevant requirements, and those who fail to carry out testing within the time limit will also be given yellow codes.
The decoding requirements are different: the orange code can only be decoded after the nucleic acid test is negative for three consecutive days or the prevention area is unsealed and released, while the yellow code can only be decoded after the nucleic acid test is completed as required and the results are all negative, and the yellow code will be automatically released, such as confirmed cases or possible contact with asymptomatic infected people (time and space companions). Those who have lived in counties and cities with high-risk areas or potential community transmission risks will be tested for three days, and those who have lived in counties and cities with medium-risk areas will be tested for three days.