秦皇岛港来自西尼罗热疫区的入境国际航行船舶携带输入性蚊媒情况监测报告

目的掌握来自西尼罗热疫区入境国际航行船舶携带输入性蚊媒的情况,为制定有效的控制措施提供科学依据。方法在检疫锚地对来自西尼罗热疫区的入境国际航行船舶携带的输入性蚊媒情况进行调查研究,对采集的标本进行计数和分类鉴定,并对结果进行统计分析。结果2001-2005年共调查13艘次来自西尼罗热疫区入境国际航行船舶,携带输入性蚊类船舶阳性率平均为84.62%(11/13),已鉴定确认的蚊种达6种,分属蚊科的库蚊属、伊蚊属。凶小库蚊、淡色库蚊和三带喙库蚊等可传播西尼罗热的媒介蚊种为优势种。结论调查证明来自西尼罗热疫区的入境国际航行船舶携带输入性蚊媒的情况相当严重,对此应给予高度关注。

Surveillance report at Qinhuangdao port on introduced mosquitoes carried by entry international ships coming from west nile fever infected areas

Objective To determine the station of introduced mosquitoes carried by entry international ships which came from west nile fever(WNF) infected areas.Methods To collect and classify the introduced mosquitoes on entry international ships which came from WNF infected areas at quarantine anchorage of Qinhuangdao port.Results 13 entry ships were checked between 2001-2005,which came from USA and Canada.The average rate of mosquito positive ships was 84.62%(11/13).6 species of mosquitoes were identified and Culex modestus Ficalbi,Cx.pipiens pallens Coquillett,and Cx.tritaeniorhynchus Giles,were the dominant mosquito species found,which were known as the main vector species spreading West Nile virus.Conclusion The truth and high risk of introduced mosquitoes carried by entry international ships which came from WNF infectious areas were proved and more attention should be paid to it.