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目的掌握2010—2014年上海市长宁区中外籍沙门菌感染患者发病特征及菌株血清型构成区别,为上海市沙门菌的防控提供依据。方法收集2010—2014年长宁区沙门菌阳性病例调查资料,比较中外籍患者发病特征、菌株血清型构成的差异。结果 2010—2014年,长宁区肠道门诊共接诊腹泻病例8 353例,其中285例沙门菌感染阳性,患者中中国籍为192例,外籍为93例。不同国籍病例腹泻次数、大便性状、呕吐物、头痛、头昏等其他症状存在显著差异(P<0.05)。两者的优势血清型均为肠炎和鼠伤寒沙门菌,但构成比例有所差异(P<0.01)。结论上海市长宁区中外籍沙门菌感染者的发病特征和血清型构成存在差异,提示在防控策略上应采取针对性措施,从而提高沙门菌防控效果。
Objective To understand the characteristics of onset and serotypes of Salmonella in Chinese and foreign residents in Changning District of Shanghai from 2010 to 2014 and provide the basis for the prevention and control of Salmonella in Shanghai. Methods The survey data of positive cases of Salmonella in Changning District from 2010 to 2014 were collected to compare the incidence characteristics of Chinese and foreign patients and the serotypes of the strains. Results From 2010 to 2014, 8353 cases of diarrhea were admitted to the gut clinic of Changning district, of which 285 cases were positive for Salmonella infection. Among them, 192 were Chinese and 93 were foreign. There were significant differences in the number of diarrhea, stool, vomit, headache, dizziness and other symptoms in different nationalities (P <0.05). The predominant serotypes of both were enteritis and Salmonella typhimurium, but the proportions were different (P <0.01). Conclusion The pathogenesis and serotypes of Salmonella in Chinese and foreign residents in Changning District of Shanghai are different, which suggests that the prevention and control strategies should be taken to improve the prevention and control of Salmonella.