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目的了解和分析云南省元江县饮食、公共场所从业人员肠道沙门菌携带情况及菌型分布,以防控肠道传染病的发生。方法按GB 4789.4-2010,沙门菌分离鉴定方法进行检测。结果 2011年饮食、公共场所从业人员检出肠道沙门菌46株,检出率1.48%(46/3 115);分布于4个血清群,12个血清型,其中以B群最多,其次E1群、A群、C1群。各季度阳性检出率差异有统计学意义(χ2=11.56,P=0.009),夏秋季高于冬春季;哈尼族(1.97%)、彝族(1.96%)、傣族(1.50%)阳性检出率高于汉族(0.97%)。结论肠道沙门菌在该县饮食、公共场所从业人员中携带率较高,哈尼族、彝族、傣族3种少数民族沙门菌携带率高于汉族。相关部门应予重视。
Objective To understand and analyze the intestinal and pathogenic distribution of Salmonella in diet and public places in Yuanjiang County of Yunnan Province to prevent the occurrence of intestinal infectious diseases. Methods According to GB 4789.4-2010, Salmonella isolation and identification method for testing. Results In 2011, 46 strains of enteric Salmonella were found in food and public places, with a detection rate of 1.48% (46/3 115). They were distributed in 4 serogroups and 12 serotypes, of which group B was the most, followed by E1 Group, Group A, Group C1. The positive detection rate of each season was statistically significant (χ2 = 11.56, P = 0.009), higher in summer and autumn than in winter and spring. The positive detection rates of Hani (1.97%), Yi (1.96%) and Dai Higher than Han (0.97%). Conclusion Salmonella entericament in this county has a higher carrying rate in the diet and public places, and the carrying rate of Salmonella in Hani, Yi and Dai ethnic groups is higher than that in Han nationality. Relevant departments should pay attention.