结论云南省存在广州管圆线虫病自然疫源地。
Conclusion The natural foci of Angiostrongyliasis are present in Yunnan.
结果发现传播广州管圆线虫病的中间宿主螺类共12种。
Results 12 species of snails were detected as intermediate host that transmit parasitic diseases of Angiostrongylus cantonensis.
目的了解广东省广州管圆线虫病自然疫源地分布情况，为制定监测方案提供科学依据。
Objective To understand the distribution status of angiostrongyliasis natural focus in Guangdong Province and provide the scientific basis for making surveillance program.
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。
Objective To determine the distribution of the foci of Angiostrongyliasis in parts of Yunnan province, providing the basis for prevention and control of its infection.
结论贵阳市流通及餐饮市场存在着广州管圆线虫病流行的危险因素，应加强食品流通中的卫生监测及公众的健康教育。
Conclusion There were risk factors of A. cantonensis prevalence in market and restaurant of Guiyang. It should strengthen market management, food-safety inspection, and health education in public.
结论贵阳市流通及餐饮市场存在着广州管圆线虫病流行的危险因素，应加强食品流通中的卫生监测及公众的健康教育。
Conclusion There were risk factors of A. cantonensis prevalence in market and restaurant of Guiyang. It should strengthen market management, food-safety inspection, and health education in public.
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