Feng County is a low risk area. Low-risk areas across the province do not need to be quarantined if they hold a valid Nucleic Acid test certificate within 7 days. Returnees are required to return home with a negative nucleic acid test result for the new coronavirus valid within 7 days, and after returning home, home health monitoring is implemented for 14 days, during which time there is no gathering or movement, and nucleic acid testing is carried out every 7 days. Low-risk areas, i.e., counties and municipalities as a unit, no confirmed cases or 14 consecutive days without new confirmed cases of the area