Medical environment control of respiratory infectious diseases and non-medical prevention and control measures in hospitals

Sun Miao, Li Zhuxuan

2022.01.19

This paper presents the principles of non-medical prevention and control of respiratory infectious diseases such as controlling the source of infection, cutting off the chain of infection and isolating susceptible people, as well as the necessary safety measures for medical facilities of respiratory infectious diseases. The key points of environmental control of respiratory infectious diseases are presented in detail, including zoning and physical prevention and control measures, control of virus transmission in air environment, control of outdoor air change rate, maintenance of negative pressure in polluted area, disinfection measures and air treatment in air environment control area, effective measures to prevent short circuit between polluted exhaust air and intake air, as well as operation and maintenance, automatic operation and intelligent system of air contioning system.