2017—2018年天津市蓟州区诺如病毒感染性腹泻的流行病学特征

Epidemiological characteristics of norovirus infectious diarrhea in Jizhou District of Tianjin from 2017-2018

目的分析天津市蓟州区诺如病毒感染性腹泻的流行状况及临床特征,为疾病预防控制工作提供参考依据。方法对2017-2018年天津市蓟州区发生的诺如病毒感染性腹泻患者标本进行病原学检测。结果 2017-2018年天津市蓟州区共报告诺如病毒感染性腹泻5起,采集标本31例,其中确诊9例感染诺如病毒,诺如病毒Ⅱ型为优势株。发病季节以夏季为主,主要发生在5-7月,以农家院居多,学校次之。结论 2017-2018年天津市蓟州区诺如病毒感染易发于农家院和学校等公共场所,是导致腹泻的主要病原,应加大传染源和传播途径的防控,预防控制相关疾病的大规模暴发和流行。

Objective To analyze the epidemic situation and clinical characteristics of norovirus infectious diarrhea in Jizhou District of Tianjin, provide reference for prevention and control work. Methods Pathogenic tests were carried out on specimens from patients with norovirus infectious diarrhea in Jizhou District of Tianjin from 2017-2018. Results From 2017-2018, five events of norovirus infectious diarrhea were reported in Jizhou District of Tianjin, and 32 samples were collected. Nine cases were confirmed to be infected with norovirus, and type II norovirus was the dominant strain. The peak season was summer, mainly in May to July. Most of cases occurred in farmyards, followed by schools. Conclusion In Jizhou District of Tianjin from 2017-2018,norovirus infection is easy to occur in public places such as farmyards, schools and so on. It is an important pathogen of diarrhea.It is necessary to strengthen the prevention and control of infectious sources and transmission routes, and prevent and control the outbreak and epidemic of large-scale related diseases.