The first category: people who have been to counties (cities, districts and banners) with 1 or more local COVID-19 infected people within 14 days.
Category II: Persons currently in the entry quarantine period (less than 2 1 day).
Category III: People who have been to areas with high epidemic risk or related personnel, if they are in Beijing, please report to communities, villages, hotels or units (schools, factories, construction sites, yards, etc.) immediately. Where I live, the relevant departments will conduct risk investigation. If there is no relevant risk, the "pop-up window" status can be released (the "pop-up window" cannot be automatically released through its own nucleic acid detection).
Category IV: Persons who have not completed the nucleic acid detection within the specified time.
Category V: people who lived in the county where the land border port is located within 14 days, and people who lived in the county (city, district, flag) where the land border port is located within the past 14 days.