志贺菌传统分型方法主要是生化鉴定、血清学和噬菌体分型等,由于志贺菌的血清型别与部分大肠埃希菌存在交叉凝集,因此,无法体现暴发菌株间的遗传信息。为了探讨用于细菌性传染病监测、传染源追踪、传播途径调查和识别等暴发调查的适宜技术,本研究采用脉冲场凝胶电泳(PFGE)方法 Shigella traditional typing methods are mainly biochemical identification, serological and phage typing, etc., because Shigella serotypes and cross-cohesion of some Escherichia coli, therefore, can not reflect the genetic information between strains of outbreaks. In order to explore the appropriate techniques for the investigation of outbreaks such as bacterial infectious disease surveillance, source tracking, transmission route investigation and identification, this study used pulsed-field gel electrophoresis (PFGE)