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[目的]了解上海市广州管圆线虫疫源地的分布及感染情况,为预防控制广州管圆线虫病提供科学依据。[方法]随机抽取南汇区新场镇和青浦区金泽镇为调查点。在调查点野外、自由市场、餐饮场所对广州管圆线虫的中间宿主、转续宿主和保虫宿主感染情况进行调查。[结果]调查点发现广州管圆线虫中间宿主螺类2种(铜锈环棱螺、中国圆田螺)、蛞蝓2种(双线嗜黏液蛞蝓、黄蛞蝓)和蜗牛1种(中华灰尖巴蜗牛),同时查到保虫宿主(鼠)和转续宿主(淡水鱼、河虾、青蛙、河蟹,蟾蜍)。经检测均无广州管圆线虫感染。[结论]本市目前尚无广州管圆线虫疫源地存在,但具备了该病流行的基本条件,一旦有该虫传入可引起传播,应加强健康教育。
[Objective] The research aimed to understand the distribution and infection status of angiostrongyliasis in Guangzhou, and provide a scientific basis for the prevention and control of angiostrongylus gonorrhoea in Guangzhou. [Method] Xinchang Town, Nanhui District and Jinze Town, Qingpu District were randomly selected as the investigation points. In the field survey sites, free markets, food establishments of the intermediate host of C. elegans, to investigate the host and host insecticide infestation. [Results] There were two species of intermediary host worm, Trichoplusia niobius (Cucurbita convolvulus, Chinese snail), two species of Trichosanthes involucrata ), At the same time to find the host insect protection (mouse) and re-continued host (freshwater fish, shrimp, frogs, crabs, toad). After testing, there was no infection with C. elegans. [Conclusion] At present, there is no epidemic origin of C. elegans in Guangzhou, but it possesses the basic conditions of prevalence of this disease. Health education should be strengthened if the worm is introduced to cause the spread.