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目的掌握云南省部分地区广州管圆线虫病疫源地分布情况,为预防控制广州管圆线虫病提供科学依据。方法按照卫生部广州管圆线虫疫源地调查方案要求进行。结果在抽样点调查采集到的7种广州管圆线虫中间宿主,19个被调查县中13个县有福寿螺分布,占68.42%,在捕获的3874只螺类生物中,福寿螺占51.83%,褐云玛瑙螺占6.56%;在对景洪、勐腊县福寿螺调查中查到广州管圆线虫Ⅲ期幼虫,阳性感染率分别为0.56%和0.26%。结论云南省存在广州管圆线虫病自然疫源地。
Objective To understand the distribution of angiostrongyliasis in some areas of Yunnan Province and provide a scientific basis for the prevention and control of angiostrongylus. Methods according to the Ministry of Health, Guangzhou Pipeline Nematode epidemic investigation program requirements. Results Among the 3874 snail creatures captured, 7 species of A. cantonensis were found in the intermediate hosts of surveyed A. elegans of Guangzhou and 13 of the 19 surveyed counties, accounting for 51.83%, and brown Onyx was found to account for 6.56% of the total larvae in this survey. The positive infection rates of stage III larvae were 0.56% and 0.26%, respectively. Conclusion There is a natural source of angiostrongyliasis in Yunnan Province.