1952-2008年大连市部分肠道传染病暴发疫情资料分析

目的]充分认识传染病暴发的危害，指导传染病暴发疫情的防治工作。方法]收集大连市1952～2008年部分肠道传染病暴发疫情资料进行分析。结果]1952-2008年合计发生部分肠道传染病暴发疫情82起，发病12058例。其中，伤寒与副伤寒19起，发病1606例；细菌性痢疾7起，发病497例；除霍乱、痢疾、伤寒和副伤寒以外的感染性腹泻暴发疫情合计22起，发病7893例；甲型病毒性肝炎34起、发病2062例。发生在农村的49起、发病6487例，发生在城区的33起、发病5571例；水型暴发42起、发病8236例，食物型暴发13起、发病1821例，生活密切接触暴发17起、发病502例；多种因素引起暴发4起、发病1011例，原因不清6起、发病488例；工人（民工）占36．30％，学生占31．83％，农民占16．91％，城镇居民占13．s2％，学龄前儿童占1．29％；其他人群占0．16％。结论]大连市部分肠道传染病暴发疫情的主要原因为供水系统污染所致。

Data Analysis of the Outbreaks of Intestinal Infectious Diseases in Dalian

Objective]To fully understand the risk of the outbreak of intestinal infectious diseases in Dalian, to guide the prevention and control of the outbreaks of intestinal infectious diseases. Methods]Epidemic data of the outbreaks of some intestinal infectious diseases from 1952 to 2008 in Dalian were collected and analyzed. Results]There were 82 outbreaks of intestinal infectious diseases and 12 058 cases in total from 1952 to 2008,19 of them were typhoid and paratyphoid fever（1606 cases）, 7 were bacillary dysentery （497cases）, 22 outbreaks of infectious diarrhea other than cholera, dysentery, typhoid and paratyphoid fever （7 893 cases）, and 34 outbreaks of hepatitis A（2062 cases）. 49 outbreaks in rural areas with 6 487 cases. 33 outbreaks in urban district with 5571 cases. 42 were waterborn outbreaks （8 236 cases）, 13 food-born outbreaks （1 821 cases）, 17 outbreaks by intimate contact （502 cases）,4 outbreaks caused by many factors （1 011 cases）,and 6 outbreaks caused by unknown factors（488 cases）. Workers, students, farmers, urban residents and preschool children accounted for36.30% ,31.83 % , 16.91 G ,13.52 % and 1.29G respectively,and other people accounted for 0.16% Conclusion]The main cause of the outbreaks of intestinal infections diseases was the contamination of water in water supply system in Dalian.