2. Requirements for personnel isolation in medium and high risk areas: 14 days. Quarantine report requirements: report to the community (village) and unit where the destination is located 24 hours in advance through the "self-report of epidemic risk" of "Hebei health code", apply for Cangzhou "citizen code" and make a phone call.
3. Requirements for isolation of warehousing and warehousing personnel in counties (cities, districts) with medium and high risk: 14 days. Isolation report requirements: report to the community (village) and unit where the destination is located through "Hebei Health Code" 24 hours in advance, apply for Cangzhou "Citizen Code" and make a phone call. 4. Other low-risk areas (districts, cities and counties without medium-high risk areas) require to return to Cang: 7 days of home health monitoring shall be implemented, during which people shall not participate in gathering activities, enter or leave crowded places or take public transportation. Nucleic acid requirements: hold negative certificate of nucleic acid detection within 48 hours and green code of "Hebei Health Code". Upon arrival at the warehouse, the first nucleic acid sampling was carried out at the designated place at the traffic station or traffic checkpoint, and the second nucleic acid sampling was carried out within 24 hours and 48 hours after arrival at the warehouse. Declaration requirements: declare to the community (village) and unit where the destination belongs in advance.