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目的针对2016年广州市荔湾区某中学诺如病毒感染性腹泻爆发疫情进行分析与总结。方法以该中学感染性腹泻事件中47例病例和所涉及的相关师生、校职工、学校环境为研究对象,对于相关临床表现、病情分布特点等进行总结。结果根据患者临床表现、流行病学资料及实验室检测结果,该事件为一起由诺如病毒引起的感染性腹泻暴发疫情。此次疫情与饭堂供餐卫生状况、学生接触传播关系较大。结论此次中学疫情爆发主要与日常供餐过程、学生间接触密切相关,相关方面卫生工作亟待改善;在公共疫情排查与检测过程中,可借助于灵敏度、特异性较高的快速检测方法来确定感染源;提高基层突发公共卫生事件现场调查水平,对于初步确定实验室检测方向十分关键。
Objective To analyze and summarize the outbreak of Norovirus infectious diarrhea in a secondary school in Liwan District of Guangzhou City in 2016. Methods Based on the 47 cases of infectious diarrhea secondary to the secondary school and related teachers and students, school workers and school environment, this study summarized the clinical manifestations and the distribution of the disease. Results According to the patient’s clinical manifestations, epidemiological data and laboratory test results, the incident was an outbreak of infectious diarrhea caused by norovirus. The outbreak and canteen food hygiene, student contact and transmission of a larger relationship. Conclusion The outbreak of high school outbreak is mainly related to daily feeding process and students’ contact with each other. The health work needs to be improved urgently. In the process of public outbreak screening and testing, rapid detection with high sensitivity and specificity can be used to determine Source of infection; improve the level of field public health emergencies grass-roots level of investigation for the initial determination of the direction of laboratory testing is critical.