胡亚强 顾红英 阮玉琦 顾琴妹

摘 要 目的：总结2019年奉贤区1例输入性登革热疫情调查和处置情况，为制定登革热防控策略提供依据。方法：按照上海市2018年下发的《上海市登革热防控工作方案（试行）》处置标准，对输入性登革热疫点的周围及时采取了控制措施，并开展了现场流行病学调查以及蚊密度监测工作。结果：病例从泰国旅游归来后被诊断为登革热；经及时地调查和处置，25 d内周围人群无续发病例；疫点核心区、警戒区蚊密度监测布雷图指数均在5以下；暂无暴发疫情的风险。结论：及时有效的处置可控制输入性登革热疫情暴发疫情的风险。提高医务人员诊疗水平，加大疫区人员的健康宣教工作是防控登革热疫情的关键。

关键词 登革热；输入性疫情；调查；处置

中图分类号：R512.8 文献标志码：A 文章编号：1006-1533（2021）04-0044-02

Investigation and disposal of an imported dengue fever case in Zhelin Community， Fengxian District， Shanghai

HU Yaqiang， GU Hongying， RUAN Yuqi， GU Qinmei（Prevention and Health Care Department of Zhelin Community Health Service Center of Fengxian District， Shanghai 201424， China）

ABSTRACT Objective： To summarize the investigation and disposal of an imported dengue fever case in Fengxian District in 2019， so as to provide basis for formulating prevention and control strategies of dengue fever. Methods： In accordance with the disposal standard of “Shanghai dengue fever prevention and control work plan（Trial）”， issued by Shanghai in 2018， timely control measures were taken around the imported dengue fever epidemic point， and on-site epidemiological investigations and mosquito density monitoring were carried out. Results： The case was diagnosed as dengue fever after returning from Thailand； after timely investigation and disposal， there were no subsequent cases in the surrounding population within 25 days； the mosquito density monitoring Brayto index in the core area of the epidemic point and the warning area was below 5； there was no risk of outbreak. Conclusion： Timely and effective disposal can control the risk of imported dengue fever outbreaks. Improving the level of diagnosis and treatment of medical staff and increasing the health promotion and education work of personnel in epidemic areas are the key to prevent and control dengue fever.

KEY WORDS dengue fever； imported epidemic situation； investigation； disposal

登革熱是由登革病毒引起的急性传染病，主要经伊蚊传播[1]。近年来，登革热的发病率快速上升，广泛流行于热带、亚热带地区，已成为全球重大公共卫生问题[2]。上海地区目前尚未发生大规模登革热疫情，但是输入性登革热病例为所在地提供了传染源[3]。2019年8月上海市中山医院报告了奉贤区首例输入性登革热病例，奉贤区疾病预防控制中心和柘林镇社区卫生服务中心立即开展了细致的流行病学调查和处置。将蚊密度监测时所抓获的伊蚊标本送上海市疾病预防控制中心检测，结果均为阴性。本文旨在报告现将该例输入性登革热疫情的调查过程和处置情况。……