某市2014—2018年不同类型学校诺如病毒感染暴发疫情分析  

Outbreak epidemic of norovirus infection in different types of schools in a city from 2014 to 2018

作　　者：胡飞飞[1] 张建陶[1] 陈聪[1] 曹淦[1] 蒋霞[1] 郑献智 吉科一 HU Fei-fei;ZHANG Jian-tao;CHEN Cong;CAO Gan;JIANG Xia;ZHENG Xian-zhi;JI Ke-yi(Section of Disinfection and Acute Infectious Disease Control, Changzhou Center for Disease Control and Prevention, Changzhou 213022, China;School Office, Changzhou Hygiene Vocational Technology College, Changzhou 213022, China)

机构地区：[1]常州市疾病预防控制中心急消所,江苏常州213022 [2]常州卫生高等职业技术学校办公室,江苏常州213022

出　　处：《中国感染控制杂志》2020年第5期447-450,共4页Chinese Journal of Infection Control

摘　　要：目的分析某市不同类型的学校诺如病毒感染暴发疫情,为制定相应的防控措施提供依据。方法收集该市2014年1月1日—2018年12月31日“突发公共卫生事件管理信息系统”中各类学校报告的诺如病毒感染暴发疫情,并进行流行病学分析。结果5年期间学校共报告诺如病毒感染暴发疫情41起,报告病例2444例,罹患率为2.96%。5年间学校诺如病毒感染罹患率比较,差异具有统计学意义(P<0.05)。不同类型学校诺如病毒感染暴发疫情以小学暴发疫情数最多(25起,占60.97%);大专院校罹患率最高为5.10%,不同类型学校罹患率比较,差异具有统计学意义(P<0.05)。5年期间学校诺如病毒感染暴发疫情报告时间间隔为4 d,疫情持续时间为7 d;不同类型的学校疫情报告时间间隔、疫情持续时间比较,差异均具有统计学意义(均P<0.05);疫情报告时间间隔与疫情持续时间呈正相关(rs=0.73,P<0.01)。结论小学是学校诺如病毒感染暴发疫情的高发场所,大专院校诺如病毒感染暴发疫情防控工作亟待加强。Objective To analyze the outbreak epidemic of norovirus infection in different types of schools in a city,and provide basis for formulating corresponding prevention and control measures.Methods Outbreak epidemic of norovirus infection reported by various schools in the“public health emergency management information system”of the city from January 1,2014 to December 31,2018 was collected,epidemiological analysis was conducted.Results A total of 41 norovirus outbreaks were reported in schools during 5 years,2444 cases were reported,with an incidence of 2.96%.Incidence of norovirus infection in schools was statistically different during 5 years(P<0.05).The number of norovirus outbreak epidemic was most in primary schools(25 cases,60.97%);the highest incidence in colleges and universities was 5.10%,there was significant difference in the incidence of norovirus infection among different types of schools(P<0.05).The reporting interval of norovirus outbreak epidemic in schools was 4 days and duration of outbreak was 7 days during 5 years;there was significant difference in the reporting interval and duration of epidemic among different types of schools(all P<0.05);there was a positive correlation between reporting interval and duration of epidemic(rs=0.73,P<0.01).Conclusion Primary schools are the places with high incidence of norovirus infection and outbreak in schools,prevention and control of norovirus infection and outbreak in colleges and universities needs to be strengthened urgently.

关 键 词：诺如病毒 暴发 疫情 学校 预防 控制 

分 类 号：R181.3[医药卫生—流行病学]