What do the 48 key groups mean?

The 48 key groups mainly include: centralized isolation places and medical institution staff; Relevant personnel of key institutions and places with dense population and closed space, such as express delivery, hotel services, transportation services, supermarkets, farmers' markets, bazaars and cultural tourism.

The key population refers to the staff of key places and institutions, people with high risk of infection or low resistance, including medical personnel, front-line staff of entry and exit, customs and market supervision systems, police, sanitation workers, security guards, cleaners, port transport practitioners, couriers, water and electricity workers, etc.

Home isolation medical observation or home health monitoring personnel, local epidemic relief personnel, epidemic prevention and control personnel, vagrants and beggars, scattered decoration construction personnel, the elderly, patients with chronic basic diseases, pregnant women, children, the disabled and other people.

According to the nature of the work, it can also be divided into:

The first category: outpatients with fever, inpatients and their accompanying staff, and people who have been investigated for fever in other places.

The second category: related medical personnel, who have been engaged in flow regulation and laboratory testing.

Category III: Fever workers who have bought antipyretic drugs in the past three weeks, migrant workers who have taken the initiative to go to medical institutions and returnees.

The fourth category: staff engaged in take-away and express delivery, service personnel of agencies such as driving, taxis, online car drivers, supermarkets, restaurants and hotels.

The fifth category: employees in various educational institutions, public security and judicial supervision places, social welfare and pension institutions, mental health institutions and other key places.

Category VI: People who consciously have COVID-19-related symptoms such as fever.