江门市2009-2011年感染性腹泻流行特征分析

Epidemiologic characteristic of infectious diarrhea in Jiangmen during 2009-2011

目的了解江门市感染性腹泻的流行病学特征,分析监测系统中可能存在的问题。方法对江门市2009-2011年疾病监测信息报告系统中上报的感染性腹泻病例进行描述性流行病学分析。结果 2009-2011年江门市共报告感染性腹泻病例53624例,年发病率的范围为378/10万～428/10万,发病呈逐年上升趋势。5岁以下年龄组占全部发病数的40.64%。发病高峰在秋冬季节。报告发病率居前3位的市、区有鹤山、蓬江、新会等。3年共报告暴发疫情3起,全部为诺如病毒引起。结论感染性腹泻在江门市法定报告传染病中仍占有重要地位。今后应评估并完善感染性腹泻报告制度,加强监测与控制工作。

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 annum 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.