(1) People who accompanied the big data push, stayed in places related to key epidemic situations, and stayed in middle and high-risk areas reported to the community and checked at the grassroots level. After arriving in the local area, there were negative records of nucleic acid testing twice every 24 hours, and the pop-up prompt was lifted.
(2) Big data pushes the overflow personnel in the county (city, district) where the positive infected person is located, and the overflow personnel in the city with serious epidemic situation to report to the community and complete the grassroots investigation. After arriving in the local area, there are 1 negative records of nucleic acid detection, and the pop-up prompt is lifted.
(3) In addition to the above conditions, the pop-up window will be automatically released after 14 days.