1. Persons who failed to conduct nucleic acid testing within the specified time, including those who did not participate in regional nucleic acid testing organized by government departments, those who came (returned) to Anhui within 72 hours, and those engaged in occupations, as well as other epidemic prevention regulations;
2./kloc-people who came to Anhui from the city (prefecture-level city) where the high-risk area is located within 0/4 days (but did not actually go to the high-risk area);
3. Personnel in the prevention area.