Priority, difficulties and optimization ideas of infectious disease surveillance and early warning at present stage

Surveillance and early warning of infectious diseases is one of the important contents of disease prevention and control in China. This paper briefly reviewed the development history of infectious disease surveillance and early warning in China, analyzed the key points and difficulties of infectious disease surveillance and early warning at the present stage, and provided corresponding optimization ideas, in order to provide reference for the research and practice related to infectious disease surveillance and early warning.