2005-2014年江阴市其他感染性腹泻疫情的流行病学分析

Epidemiological analysis of other infectious diarrhea in Jiangyin city during 2005-2014

目的探讨江阴市其他感染性腹泻的流行特征并提出防治措施。方法收集2005-2014年江阴市其他感染性腹泻的病例报告及监测数据,进行描述性统计分析。结果 2005-2014年江阴市其他感染性腹泻发病率在81.04/10万~210.75/10万之间,6~9月为高峰季节;农民及工人病例占报告病例总数的59.66%;引起感染性腹泻的病原体以诺如病毒及轮状病毒为主;2005-2014年间,全市共报告感染性腹泻暴发疫情8起,其中7起为诺如病毒感染暴发疫情。诺如病毒感染呕吐物检出阳性率最高,且存在隐性感染。结论农村地区青壮年是江阴市其他感染性腹泻的重点发病人群;诺如病毒感染性腹泻暴发疫情的防控是近期肠道传染病防控工作的重点。

Objective To explore the epidemic features of other infectious diarrhea in Jiangyin and propose preventing and treating measures. Method Analyzed the epidemiological characteristics of reported other infectious diarrhea cases in Jiangyin from2005 to 2014. Results The annual incidence of infectious diarrhea ranged from 81. 04 / 100 000 to 210. 75 /100 000,June to September were peak seasons,59. 66% of total reported cases were young and middle- aged farmers and workers. Norovirus and rotavirus were the major pathogens to cause the viral diarrhea in Jiangyin. There were totally 8 outbreaks from 2005 to 2014,7 of them for norovirusinfection outbreak. Vomit positive rate was highest,and the existence of recessive infection. Conclusions Young and adults in rural areas were the high risk group of infectious diarrhea. Infectious diarrhea outbreak caused by norovirus is the point of the prevention and control of intestinal infectious diseases.