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目的了解感染性腹泻肠道致病菌的构成、分布和流行特征,为肠道细菌性传染病控制提供病原学基础资料。方法采用分离培养和生化鉴定方法,对平罗县2011年4-12月,3家哨点医院的门诊腹泻病例的粪便标本进行了监测与分析。结果共采集病人粪便标本98份,分离到病原菌51株,检出率为52.04%。肠致泻性大肠杆菌检出居首位,占72.4%;其次是志贺菌和沙门菌,分别占17.6%和5.0%。肠道致病菌的人群分布主要集中在儿童,以夏秋季为流行高峰。结论平罗县感染性腹泻主要致病菌依次为肠致泻性大肠杆菌、志贺菌和沙门菌等,秋季为流行高峰季节,应适时加强防控措施。
Objective To understand the composition, distribution and epidemiological characteristics of enteric pathogens in infectious diarrhea and provide etiological basis for the control of intestinal bacterial infections. Methods Stool specimens from outpatients with diarrhea in 3 sentinel hospitals in Pingluo County from April to December in 2011 were monitored and analyzed by isolation and culture and biochemical identification methods. Results A total of 98 samples of stool samples were collected and 51 strains of pathogens were isolated. The detection rate was 52.04%. Intestinal diarrhea Escherichia coli detected first place, accounting for 72.4%; followed by Shigella and Salmonella, accounting for 17.6% and 5.0%. Intestinal pathogenic bacteria population distribution mainly in children, summer and autumn as the peak of the epidemic. Conclusions The main pathogenic bacteria of infectious diarrhea in Pingluo County are intestinal diarrhea Escherichia coli, Shigella spp. And Salmonella spp. In autumn. The autumn is the peak season of epidemic. The prevention and control measures should be strengthened in time.