东莞市2012年病毒性腹泻监测结果分析

目的分析东莞市病毒性腹泻中轮状病毒和诺如病毒的感染情况。方法收集2012年1月至2012年12月东莞市人民医院、高埗医院、寮步医院腹泻门诊病人粪便标本,采用ELISA法检测轮状病毒,采用Realtime RT-PCR方法检测诺如病毒。结果检测粪便样品共831份,轮状病毒和诺如病毒的检出率分别为15.64%和17.57%。轮状病毒感染有明显的季节特征,秋冬季为发病高峰;诺如病毒感染则无特殊的季节特征,阳性样品以GⅡ型为主。0~3岁年龄组患者的感染率显著高于3岁以上年龄组患者。结论病毒性腹泻全年均可发生,冬季的感染率较高。各年龄组男女性人群都可感染。应加强对病毒性腹泻,尤其是婴幼儿病毒性腹泻的监测。

Surveillance of viral diarrhea in Dongguan in 2012

Objective To understand the prevalence of rotavirus and norovirus infection among infectious viral diarrhea in Dongguan city. Methods The feces samples were collected from infectious diarrhea patients in Dongguan People＇s Hospital, Gaobu Hospital and Liaobu Hospital. Rotavirus was detected by ELISA, norpvoris was detected by realtime RT-PCR.Results Totally 831 samples were detected and the positive rates of norovirus and rotavirus were 17.57% and 15.64%.Rotavirus infection had obvious seasonality,with peak in autumn and winter; Norovirus had no obvious seasonality, and the GenogroupⅡwas predominant in this study. The infection rates in age group of 0~3 years were significantly higher than those in age groups of 3 years. Conclusion Viral diarrhea could occur all the year round, and the infection rate in winter is higher.People in all age group could be infected. It is necessary to strengthen the surveillance of viral diarrhea, especially in infants and young children.