马鞍山市首次发现福寿螺感染广州管圆线虫  

First detection of Angiostronylus cantonensis infection in Pomacea canaliculata in Ma’anshan City

作　　者：范泽涵 詹惕[1] 孙成松[2] 项可霞[1] 江小鱼 汪为春[1] 段永梅[1] 朱应富[1] FAN Zehan;ZHAN Ti;SUN Chengsong;XIANG Kexia;JIANG Xiaoyu;WANGWeichun;DUAN Yongmei;ZHU Yingfu(Ma’anshan Center for Disease Control and Prevention,Ma’anshan 243000,Anhui Province,China;Anhui Provincial Institute of Schistosomiasis Control)

机构地区：[1]马鞍山市疾病预防控制中心,安徽马鞍山243000 [2]安徽省血吸虫病防治研究所

出　　处：《热带病与寄生虫学》2024年第6期364-366,374,共4页Journal of Tropical Diseases and Parasitology

基　　金：马鞍山市“公共卫生与预防医学”科研课题立项项目(MYF-2023-11)

摘　　要：目的 了解和掌握安徽省马鞍山市福寿螺分布及其广州管圆线虫感染情况,为做好当地广州管圆线虫病防控工作提供参考。方法 2023年9—11月,在马鞍山市6个县(区)各按地理方位分别抽取5个乡镇(街道),开展实地走访以确定福寿螺分布区域,并以网捞法在孳生点采集福寿螺。使用镜检法检测福寿螺的感染情况,对检出的疑似广州管圆线虫Ⅲ期幼虫样本开展分子生物学鉴定。结果 共调查30个乡镇(街道),其中12个乡镇(街道)发现福寿螺,分布于花山区、雨山区、当涂县、和县、含山县。发现福寿螺孳生点共19个,环境类型包括沟渠、水塘、河流、湖泊。共采集福寿螺452只,发现9条广州管圆线虫幼虫,发现地点分别位于花山区金家庄街道杨家山社区的金字塘公园(1条)、当涂县湖阳镇西湖社区的某私人蟹塘(8条)。经形态学观察及分子生物学鉴定,证实调查中发现的虫体为广州管圆线虫Ⅲ期幼虫。结论 马鞍山市花山区、雨山区、当涂县、和县及含山县具有福寿螺分布,且在花山区、当涂县发现感染广州管圆线虫的福寿螺。这是马鞍山市首次发现福寿螺感染广州管圆线虫。Objective To investigate the distribution of Pomacea canaliculata and its status infected with Angiostronylus cantonensis in Ma’anshan City for evidences to plan the local prevention and control measures in scientific basis.Methods Between September and November 2023,we selected five townships(sub-districts)from each of the six counties(districts)in Ma’anshan area based on the geographical locations,and conducted field investigation to identify the presence of areas with Pomacea canaliculata.The snails were then collected from the breeding sites using netting methods,and their infection status was examined through microscopical inspection.The samples with suspected larvae at stageⅢwere subjected to molecular biological identification of Angiostrongylus cantonensis.Results In total,30 townships(sub-districts)were investigated,in which Pomacea canaliculata were found in 12 townships(sub-districts),distributed in Huashan District,Yushan District,Dangtu County,Hexian County and Hanshan County.Nineteen breeding sites of Pomacea canaliculata were found in various environments including ditches,ponds,rivers,and lakes.A total of 452 Pomacea canaliculata were collected,in which 9 pieces of Angiostrongylus cantonensis larvae were detected from the samples obtained in Jinzitang Park located in Yangjiashan Community,Jinjiazhuang Sub-district,Huashan District(1 larva)and in a freshwater crab pond located in Xihu Community in Huyang Town,Dangtu County(8 larvae).Morphological observation and molecular biological identification confirmed that the larvae were Angiostrongylus cantonensis at stageⅢ.Conclusion Pomacea canaliculata were found to be present in Ma’anshan area,including Huashan District,Yushan District,Dangtu County,Hexian County and Hanshan County,and the snails infected with Angiostrongylus cantonensis were detected in the samples from Huashan District and Dangty County.This is the first discovery of the Pomacea canaliculata infected with Angiostronylus cantonensis in Ma’anshan area.

关 键 词：福寿螺 广州管圆线虫 感染现状 马鞍山市 

分 类 号：R532.19[医药卫生—内科学]