Epidemiologic characteristic of infectious diarrhea in Jiangmen during 2009 2011
Objective To analyze epidemiologic characteristics of infectious diarrhea in Jiang men and explore the limits of current monitoring system.Methods Descriptive epidemiological method was applied to analyze characteristics of reported infectious diarrhea cases derived from routine infectious disease monitoring system during 2009 2011.Results There were totally reported 53 624 infectious diarrhea cases with ascending trend and annual incidence from 378 /100 000 to 428 /100 000 during 2009 2011.40.64% was below 5 years old.The peak seasons of infectious diarrhea were autumn and winter.The top 3 areas of high incidence in Jingmen were Heshan,Pengjiang and Xinhui.There occurred 3 outbreaks of infectious diarrhea during 2009 2011,all of them was caused by norovirus.Conclusion Infectious diarrhea plays an important role in the notifiable infectious disease reported in Jiangmen.We should evaluate and improve the infectious diarrhea reporting system,and strengthen the surveillance and control work for infectious diarrhea.