一起学校疑似诺如病毒感染性腹泻疫情的流行病学调查分析  

Epidemiological Investigation and analysis of a suspected epidemic situation of norovirus infectious diarrhea in a school

作　　者：秦连阳[1] 尹保行[1] 连颜芳[1] 石瑞[1] Qin Lianyang;Yin Baoxing;Lian Yanfang(The Center for Disease Control and Prevention of Linfen City,Linfen,Shanxi041000)

机构地区：[1]临汾市疾病预防控制中心,山西临汾041000

出　　处：《基层医学论坛》2021年第10期1466-1467,共2页The Medical Forum

摘　　要：目的对一起学校疑似诺如病毒感染性腹泻疫情进行调查分析。方法采用统一的调查表对病例进行流行病学调查,开展现场卫生学调查,并采集便标本,采用RT-PCR对便标本进行诺如病毒核酸检测。结果学校共38例出现腹痛、腹泻、恶心、呕吐、发热等症状,学生罹患率为1.94%,教职工罹患率为7.14%。1例学生的粪便标本中检出诺如病毒核酸GⅡ型阳性。结论因调查介入时间较晚,且大部分病例已用药治疗,仅检出1份阳性标本;判定此次疫情为疑似诺如病毒引起;采取多种措施后,疫情得到控制;首发病例为1名食堂洗碗工。Objective to investigate and analyze a suspected epidemic situation of norovirus infectious diarrhea in a school.Methods a unified questionnaire was used for epidemiological investigation,field hygienic investigation and stool samples were collected,and RT-PCR was used for detection of norovirus.Results In one school,38 students suffered from abdominal pain,diarrhea,nausea,vomiting and fever,the incidence was 1.94%for students and 7.14%for faculty.Stool specimen of a student tested positive for norovirus type G II.Conclusion due to the late intervention time and the fact that most cases have been treated with drugs,only one positive specimen was detected,and the outbreak was determined to be caused by suspected norovirus The first case was a dishwasher in the cafeteria.

关 键 词：学校 疑似诺如病毒感染 流行病学 分析 

分 类 号：R4[医药卫生—临床医学]