Introduction of surveillance systems of viral diarrhea and improvement suggestion

To analyze the development of the viral diarrhea surveillance systems of the world and the surveillance achievement in China and evaluate the shortages in the sentinel surveillance outbreak surveillance for viral diarrhea for the better use of the surveillance data and the improvement and integration of the sub-systems, then continued to provide scientific data for viral diarrhea prevention and control, vaccine development and vaccination and evaluation the dynamic risk of the epidemics caused by norovirus and other viral pathogens,to improve the prevention and control of viral diarrhea in China and to achieve the public health goal of reducing the disease burden and society burden caused by viral diarrhea.