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目的动态观察O157大肠埃希菌的分布特征,掌握贵港市O157大肠埃希菌的来源,为制定本市肠出血性大肠埃希菌O157:H7感染性腹泻的防治策略与措施提供依据。方法通过采集腹泻病人粪便、动物粪便、苍蝇、肉类等标本,采用国标GB/T4789.36-2008大肠埃希菌O157:H7/NM法检测O157:H7。结果采集各类标本953份检测O157:H7,检出菌株29份,阳性率为3.04%。结论该市在动物粪便、苍蝇、肉类中均检出了O157:H7菌,说明目前该市虽未发现人感染O157大肠埃希菌的病例,但发生人间散发流行乃至暴发的条件仍存在,需重视此病的防控。
Objective To observe the distribution characteristics of O157 Escherichia coli and to know the origin of O157 Escherichia coli in Guigang City so as to provide evidences for the prevention and treatment of Enterobacter hemorrhagic Escherichia coli O157: H7 infectious diarrhea in this city. Methods The specimens of excrement, animal faeces, flies and meat from diarrhea patients were collected and the O157: H7 was detected by the Escherichia coli O157: H7 / NM method of GB / T4789.36-2008. Results A total of 953 samples of all kinds of samples were collected for detection of O157: H7. 29 strains were detected, the positive rate was 3.04%. Conclusion The city has detected O157: H7 bacteria in animal excrement, flies and meat, indicating that although the human infection of O157 Escherichia coli was not found in the city at present, the prevalence of human epidemic and even outbreak of the disease still exists. Should pay attention to the prevention and control of the disease.