1. High-risk areas to (return) to Shenzhen, red code personnel. Implementation of 14 days of centralized quarantine, nucleic acid test daily for the first seven days, the 10th and 14th day to carry out nucleic acid testing.

2. People coming from (returning to) Shenzhen in medium-risk areas, and people coming from (returning to) Shenzhen in counties (cities and districts) where high-risk areas are located. Home isolation for 14 days, nucleic acid testing on the 1st, 3rd, 7th and 14th days.

3. People coming from (returning to) Shenzhen from medium-risk areas, and people coming from (returning to) Shenzhen from counties (cities and districts) where high-risk areas are located. Implementation of 7-day home isolation + 7-day home health monitoring, the 1st, 3rd, 7th, 14th day to carry out nucleic acid testing. Including: Suzhou, Jiangsu.

4. There is obvious community transmission and high risk of importation to Shenzhen city (or county, district, flag) to (return) to Shenzhen personnel. Implementation of 14-day home health monitoring, nucleic acid testing on days 1, 3, 7 and 14.

5. People from cities (or counties, districts, or flags) with an unknown source of infection and a potential risk of community transmission, as well as people from cities (or counties, districts, or flags) with medium-risk areas. Implementation of 3-day home health monitoring (2 tests in 3 days) + 11-day self-health monitoring, with nucleic acid testing on days 1, 3 and 14. Including: Tianjin Hebei District; Guangxi Nanning, Baise (excluding Debao County); Heilongjiang Heihe, Jixi; Huludao City, Liaoning; Wenshan Autonomous Prefecture, Yunnan; Hohhot (excluding Wuchuan County), Bayannur, Inner Mongolia; Luzhou, Sichuan, Chengdu; Jinzhong, Shanxi.

6. People coming (returning) to Shenzhen from other cities with local cases. The implementation of the "four one" health management and 14-day self-health monitoring. Including: Tianjin Xiqing District; Guangdong Guangzhou, Zhuhai, Dongguan; Liaoning Shenyang; Inner Mongolia Manzhouli, Baotou; Jiangsu Nantong, Wuxi; Yunnan Dehong, Honghe; Hainan Chenggmai; Shanghai Minhang; Wuhan, Hubei; the city where the outbreak occurred to meet the conditions (issued by the local lifting of the certificate and nucleic acid within 48 hours of the negative certificate) of the winter vacation back to the deep college students.

7. (Before March 15, 2022) the last 14 days have land border port city sojourn history of the people who came (returned) to Shenzhen. The implementation of the "four one" health management and 14 days of self-health monitoring. Including: Xinjiang Hami, Changji, Altay, Tacheng, Boltara, Kizilsu, Kashgar; Yunnan Baoshan, Lincang, Pu'er, Nujiang; Heilongjiang Jixi, Shuangyashan, Jiamusi, Hegang, Yichun, Daxing'anling; Inner Mongolia Hulunbeier, Xing'an, Xilingol, Baotou, Bayannaoer, Alashan; Guangxi Fangchenggang; Tibet Ali, Rikaze; Jilin Yanbian.5. Unknown sources of infections Appear and have the potential risk of community transmission of the local city (or county, district, flag) to (return) to Shenzhen, as well as medium-risk areas located in the city (or county, district, flag) to (return) to Shenzhen. Implementation of 3-day home health monitoring (2 tests in 3 days) + 11-day self-health monitoring, with nucleic acid testing on days 1, 3 and 14. Including: Tianjin Hebei District; Guangxi Nanning, Baise (excluding Debao County); Heilongjiang Heihe, Jixi; Huludao City, Liaoning; Wenshan Autonomous Prefecture, Yunnan; Hohhot (excluding Wuchuan County), Bayannur, Inner Mongolia; Luzhou, Sichuan, Chengdu; Jinzhong, Shanxi.

8. Hong Kong to (return) deep into the country, the implementation of 14 days centralized isolation + 7 days home health monitoring. Macao to (return) deep into the territory of the people, need to hold a 7-day negative nucleic acid test certificate. In addition to Hong Kong and Macao outside the (return) deep people, the implementation of 14 days of centralized isolation + 7 days of strict home health monitoring.

9. Passengers on flights, trains and coaches to Shenzhen from medium- to high-risk areas of the country and areas with positive case reports are required to board the plane (car) with proof of a negative nucleic acid test within 48 hours, and at the same time undergo an on-arrival nucleic acid test.

Legal basis

"Chinese People's **** and State Law on Prevention and Control of Infectious Diseases"

Article 5 The people's governments at all levels lead the work of prevention and control of infectious diseases. The people's governments at or above the county level formulate plans for the prevention and control of infectious diseases and organize the implementation thereof, and establish and improve the system of disease prevention and control, medical treatment and supervision and management of the prevention and control of infectious diseases.

Article 17 The State establishes a monitoring system for infectious diseases. The State Council administrative department of health to develop national infectious disease surveillance planning and programs. Provinces, autonomous regions and municipalities directly under the Central People's Government health administrative departments in accordance with the national infectious disease monitoring planning and programs, the development of infectious disease monitoring plans and work programs in the administrative region. Disease prevention and control organizations at all levels monitor the occurrence and prevalence of infectious diseases, as well as the factors affecting their occurrence and prevalence; they also monitor infectious diseases occurring abroad that have not yet occurred domestically, or new infectious diseases occurring domestically.

Article 18 Disease prevention and control institutions at all levels perform the following duties in the prevention and control of infectious diseases:

(1) to implement planning, plans and programs for the prevention and control of infectious diseases;

(2) to collect, analyze and report information on the monitoring of infectious diseases, and to forecast trends in the incidence and prevalence of infectious diseases;

(3) to carry out epidemiological investigations, epidemiological surveys, and epidemiological investigations into outbreaks of infectious diseases and public*** health incidents, epidemiological investigations, on-site treatment and evaluation of their effects;

(iv) carry out laboratory testing, diagnosis, and pathogenetic identification of infectious diseases;

(v) implement immunization planning, and be responsible for the management of the use of prophylactic biological products;

(vi) carry out health education and counseling, and popularize the knowledge of prevention and control of infectious diseases;

(vii) guide and train the Subordinate disease prevention and control agencies and their staff to carry out infectious disease surveillance;

(viii) to carry out applied research and health evaluation of infectious disease prevention and control, and provide technical advice. National and provincial-level disease prevention and control agencies are responsible for monitoring the occurrence, prevalence and distribution of infectious diseases, forecasting trends in the prevalence of major infectious diseases, proposing preventive and control countermeasures, participating in and guiding the investigation and treatment of outbreaks of epidemics, carrying out the identification of infectious disease pathogens, establishing a quality control system for testing, and carrying out applied research and health evaluation. Municipal and county-level disease prevention and control agencies are responsible for infectious disease prevention and control planning, program implementation, organization and implementation of immunization, disinfection, control of vectorial biological hazards, popularization of knowledge of infectious disease prevention and control, is responsible for outbreaks and emergencies in the region of public **** health monitoring, reporting, epidemiological investigations and common pathogenic microbial testing.