论文部分内容阅读
目的研究桐乡市诺如病毒引起的急性胃肠炎疫情的流行特征及流行因素,指导今后诺如病毒疫情的防控。方法对2014年-2016年桐乡市发生并经实验室确诊的诺如病毒引起的急性胃肠炎疫情资料进行分析,分析疫情的时间、人群分布、传播途径和病毒基因型特征。结果 2014年-2016年共报告诺如病毒急性胃肠炎疫情13起,报告病例162例,其中实验室确诊45例,无重症和死亡病例,波及4 182人,总罹患率为3.87%,均由诺如病毒GⅡ型引起。结论诺如病毒GⅡ型已成为学校急性胃肠炎疫情的重要病原,疫情全年均可发生,但寒冷季节呈现高发,对呕吐物处理不当是造成疾病传播的关键因素。
Objective To study the epidemiological and epidemiological characteristics of norovirus gastroenteritis in Tongxiang City and to guide the prevention and control of future Norovirus epidemic. Methods The epidemiological data of acute gastroenteritis caused by Norovirus infected in Tongxiang City from 2014 to 2016 were analyzed and the epidemic time, population distribution, transmission route and virus genotype characteristics were analyzed. Results A total of 13 Norovirus cases of acute gastroenteritis were reported in 2014-2016. There were 162 reported cases, of which 45 were diagnosed in the laboratory. No severe cases and deaths were reported, affecting 4 182 people and the total attack rate was 3.87% Caused by Norovirus G Ⅱ type. Conclusions Norovirus G Ⅱ has become an important pathogen of acute gastroenteritis in schools. The epidemic may occur all year round, but the cold season is high. Improper treatment of vomit is the key factor of disease transmission.