Abstract: Objective To summarize the experience of prevention and control of nosocomial infection during CT screening of COVID-19. Methods A total of 3,207 patients who underwent CT screening in the radiology department of our hospital during the COVID-19 epidemic from January 23 to March 13 2020 were selected as the study subjects. One of the four CT machines in our hospital was specified for the screening of COVID-19. We took comprehensive measures including providing personnel training, sorting out potential risk factors, establishing a reporting system, setting up different sub-areas to protect susceptible population, strengthening disinfection and isolation and standardizing the management of medical waste. Results A total of ,3207 patients were screened by CT during the epidemic period. Eight suspected patients of COVID-19 were screened, and one was confirmed. All the medical staff received specialized training on knowledge of COVID-19 and infection control measures were implemented strictly, thus no infection was found among medical staff. Conclusion In the process of epidemic prevention and control, under the guidance of the special team for the prevention and control of COVID-19 in radiology department, the prevention and control of nosocomial infection during CT screening of COVID-19 achieved satisfactory effect. It is inevitable to attach great importance to the prevention and control of severe infectious disease for timely and effective measures play a significant role in assuring the health and safety of the public and medical staff.

Key words: CT screening, COVID-19, nosocomial infection, prevention, control