48 categories of key populations mainly include: centralized quarantine places, medical institutions staff; courier takeout, hotel services, transportation services, shopping malls and supermarkets, farmers' markets, marketplaces, culture and tourism and other densely populated, spatially confined key institutions and places related to the personnel.
The key population refers to the staff of key places and key institutions, people with higher risk of infection or lower resistance, including medical personnel, immigration, customs, market supervision system front-line personnel, police, sanitation workers, security guards, cleaning staff, port transportation workers, express delivery personnel, water, electricity, gas and other staff.
Home isolation medical observation or home health monitoring personnel, aid workers in areas with local epidemics, epidemic prevention and control staff, vagrants and beggars, scattered renovation and construction workers, the elderly, patients with chronic basic illnesses, pregnant women, children, people with disabilities and other people.
Based on the nature of the work can also be categorized in detail as follows:
The first category: fever clinic patients, hospitalized patients and their companions and other places to detect fever personnel,
The second category: the relevant medical personnel, has been engaged in the work of the flow and laboratory testing.
The third category: people with fever who have purchased fever-reducing medicines in the last three weeks and people from abroad who come and return to their hometowns who have taken the initiative to visit medical institutions.
The fourth category: service workers engaged in takeaway and courier staff, chauffeurs, cabs, online car drivers, supermarkets, restaurants, hotels and other organizations.
The fifth category: employees of various educational institutions, public security and judicial supervision places, social welfare and elderly care institutions, mental health institutions and other key places related to personnel.
The sixth category: people who consciously have fever and other symptoms related to new crown pneumonia.