Legal basis: People's Republic of China (PRC) Law on the Prevention and Control of Infectious Diseases.
Article 39 When a medical institution discovers a Class A infectious disease, it shall take the following measures in time: (1) isolate patients and pathogen carriers, and determine the isolation period according to the results of medical examination; (two) for suspected patients, isolation treatment in designated places before diagnosis; (3) Carry out medical observation and take other necessary preventive measures on patients, pathogen carriers and close contacts of suspected patients in medical institutions at designated places. The public security organ may assist medical institutions to take compulsory isolation treatment measures if they refuse isolation treatment or leave isolation treatment without authorization before the expiration of isolation period. Medical institutions should take necessary treatment and control measures according to the condition when they find patients with Class B and Class C infectious diseases. Medical institutions must, in accordance with the provisions of laws and regulations, disinfect and dispose of places, articles and medical wastes contaminated by infectious disease pathogens in their own units.
(1) Conduct epidemiological investigation on the epidemic situation of infectious diseases, put forward suggestions on delineating epidemic spots and epidemic areas according to the investigation, carry out sanitary treatment on polluted places, conduct medical observation on close contacts at designated places and take other necessary preventive measures, and propose epidemic control plans to the administrative department of health; (2) When an infectious disease breaks out and spreads, carry out sanitary treatment on the epidemic spot and epidemic area, put forward an epidemic control plan to the administrative department of health, and take measures according to the requirements of the administrative department of health; (three) to guide the disease prevention and control institutions at lower levels to implement the prevention and control measures of infectious diseases, and to organize and guide the relevant units to deal with the epidemic situation of infectious diseases.