25 起痢疾暴发流行的流行病学分析

Epidemiological Analysis of Dysentery in Zhejiang Provnice 1994-1995

本文描述了浙江省１９９４～１９９５年间发生的２５起痢疾暴发疫情。发现８８．０％的暴发追溯到水，其中５９．１０％为乡、村办的小型自来水厂；已查明传染来源的１８起暴发均由病人衣裤或便具直接入河清洗、污染水源所引起；６８％的暴发点，流行过程呈现“双峰”或“多峰”型。指出这些问题是本省痢疾发病回升的重要原因。此外，还讨论了自然因素变化（干旱）对痢疾发病的影响及防治对策等问题。

dysentery outbreaks in ZheJiang province from 1994 to 1995 were analysed.Of all these outbreaks, 88.0% related to the drinking water, 59.10% related to the small waterworks in rural area,18 outbreaks were caused by contaminated river in which the dysentery patient's cloth and urinal were washed directly.In 68% outbreak spots,the epidemic process showed “double peak” or “multiple peak” model.The result indicated that the above factors were the important causes of rerising dysentery incidence in our province.Some related natural factors such as drought were also discussed.