Environmental control of negative pressure isolation ward area in makeshift hospital for COVID-19

Based on the characteristics of a makeshift hospital, discusses the environmental control methods of the negative pressure isolation ward area in the core area of the hospital from the perspective of HVAC major. Focuses on the differential pressure control measures and air distribution methods, and briefly presents the case study and design ideas of Wuhan Leishenshan Hospital. The opinions can be used as references and discussion materials for those engaged in the design and construction of infectious disease hospitals.