摘要
目的分析黄岛区某学校1起胃肠道疾病暴发事件的病因,为有效控制疫情提供科学依据。方法采用描述性流行病学进行分析,制定统一的病例定义,采集患者的呕吐物、便样和肛拭子进行PCR核酸检测。结果 2015年11月12~15日,共报告病例65例,罹患率为为5.75%。检测样品30份,7份为GII型诺如病毒阳性,阳性率为23.33%。结论根据流行病学调查、临床表现与实验室检验结果,证实黄岛区某学校发生1起GⅡ型诺如病毒感染事件。
Objective To analyze the outbreak of norovious in a primary school in Huangdao district,Qingdao city,so as to provide scientific basis for effective control of the outbreak. Methods Descriptive epidemiology was used to analyze the patients. The uniform case definition was formulated. Vomit and stool or anal swab samples were collected from pa tients and kitchen workers. PCR was used to detect norvioue nucleic acid. Results A total of 65 cases were reported in the school during November 12th-15th,2015,the attack rate was 5.75%. 7 out of 30samples from the cases were found norovirus GII positive. The positive rate was 23.33%. Conclusion Based on the epidemiological investigation,the clinical manifestations of patients and the results of laboratory testing,the outbreak of infection is caused by norovirus GII in a primary school in Huangdao district,Qingdao city.
作者
刘秀梅
刘凯
刘润雨
LIU Xiu-mei;LIU Kai;HU Run-yu(Huangdao District Food and Drug Administration ,Qingdao City ,Qingdao,Shandong,266555 ,Chin)
出处
《预防医学论坛》
2017年第8期638-639,共2页
Preventive Medicine Tribune