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目的了解无锡市滨湖区其他感染性腹泻疫情的发生规律及流行病学特征。方法对2005-2014年无锡市滨湖区其他感染性腹泻病疫情的流行病学特征进行描述性分析。结果 2005-2014年传染病报告信息管理系统共报告无锡市滨湖区其他感染性腹泻病例956例,发病率达14.26/10万,其他感染性腹泻病事件共5起。2011年、2012年疫情数据有较大辐度上升,与上年相比差异有统计学意义,10~12月是其他感染性腹泻病例、事件的高发期,分别占总数的42.05%和100.00%,发病数前3的为散居儿童、学生和离退休人员,分别占发病数的47.28%、12.45%和9.21%。主要集中于2岁以下、2~3岁、15~20岁和21~25年龄段,分别占19.61%、6.07%、5.86%和5.65%。轮状病毒检测确诊占其他感染性腹泻病总数的20.50%,其次为诺如病毒,确诊占比为3.45%。5起暴发疫情均发生在学校,以青少年病例为主(60%)。临床表现以呕吐、腹泻为主。呕吐者占比66.94%,腹泻占比78.5%,疫情持续时间一般为2~4d,最长13d,接触传播为主。结论其他感染性腹泻病病例及事件的发生均呈逐年上升趋势,诺如病毒已成为该区近年来其他感染性腹泻病事件暴发的重要病原,幼儿园和学校是事件暴发的重要场所,应建立完善的感染性腹泻监测系统,加大重点人群的防病知识宣传力度,减少学校感染性腹泻事件的发生。
Objective To understand the occurrence and epidemiological characteristics of other infectious diarrhea in Binhu District of Wuxi City. Methods The epidemiological characteristics of other infectious diarrheal diseases in Binhu District of Wuxi City from 2005 to 2014 were analyzed. Results A total of 956 cases of other infectious diarrhea in Binhu District of Wuxi City were reported from 2005-2014 in infectious disease reporting information management system, with a morbidity rate of 14.26 / 100 000 and a total of 5 other infectious diarrheal diseases. The data of epidemic situation in 2011 and 2012 showed a greater degree of increase with a statistically significant difference from the previous year. Cases of other infectious diarrhea were reported from October to December, with a high incidence of events, accounting for 42.05% and 100.00% of the total respectively. The first three cases were scattered children, students and retirees, accounting for 47.28%, 12.45% and 9.21% respectively. It mainly concentrated in people under 2 years old, 2 to 3 years old, 15 to 20 years old and 21 to 25 years old, accounting for 19.61%, 6.07%, 5.86% and 5.65% respectively. Rotavirus test confirmed 20.50% of the total number of other infectious diarrhea, followed by Norovirus, confirmed the proportion of 3.45%. Five outbreaks occurred in schools, mainly adolescent cases (60%). Clinical manifestations of vomiting, diarrhea. Vomit accounted for 66.94%, diarrhea accounted for 78.5%, the duration of the epidemic is generally 2 ~ 4d, the longest 13d, contact-based. Conclusions The incidence of other infectious diarrhea cases and events are increasing year by year. Norovirus has become an important pathogen of other infectious diarrhea outbreaks in recent years in this area. Kindergartens and schools are important venues for outbreaks and should be well established Of infectious diarrhea monitoring system, increase the focus of public awareness of disease prevention knowledge to reduce the incidence of school-based infectious diarrhea.