海南定安县广州管圆线虫病自然疫源地调查

Survey of natural infectious foci of Angiostrongylus cantonensis in Dingan County,Hainan

目的了解海南省定安县广州管圆线虫病自然疫源地的状况。方法随机选取定安县九所镇石门村委会为调查点,采用研磨匀浆法对重要中间宿主进行检查。结果共采集检查中间宿主6种420份样本,发现感染广州管圆线虫幼虫者4种,感染率最高的是双线嗜粘液蛞蝓为35.75%(25/70),其次是褐云玛瑙螺,为19.00%(19/100)。双线大蛞蝓和分别福寿螺感染率为15.00%(3/20)和7.10%(10/140)。结论调查结果显示所调查的村委会为广州管圆线虫自然疫源地。推测同自然环境条件的地区可能有本病的自然疫源地。

Objective To investigate the natural focus of angiostrongyliasis in Ding＇ an Couty of Hainan province. Methods The Shimen Village was sampled as spot in Jiusuo town of Ding＇ an County. Important intermediate hosts were rubbed to examine angiostrongylus cantonensis. Results 420 samples included in 6 host species were collected and examined, and 4 species were infected by angiostrongylus cantonensis＇ larvas. 33.75% of Phlegm bilineatus were infected and 19.00% of achatina fulica were infected and pomacea cannlicnlaia were infected to 7.10%. Meghimatium bilinestum were infected to 15.00%. Conclusion The Shimen Village was conformed as the epidemic focus of angiostrongylus cantonensis. It was supposed that the kindred environments were the epidemic loci of the angiostrongylaisis.