人体肺吸虫病呈世界分布,我省经线索检查,已在六地区的18个县发现有病人或可疑病人。从现有资料看我省疫区呈灶状散在,多在500～1000米或以上的山间沟、溪、两岸草木茂密、遮荫较好、石沙质底、常年不涸、有野兽出没、螺蟹共栖关系密切之地。我省曾于六十年代和七十年代做过肺吸虫病流行病学调查,并试用尾蚴膜沉淀法 Human paragonimiasis is globally distributed, and our province has clues to censorship and has found patients or suspicious patients in 18 counties in six regions. From the available information to see the epidemic area in our province was scattered like stoves, mostly in the 500 to 1000 meters or more mountain ditch, river, both sides of the lush, shady, rocky bottom, perennial does not dry up, there are beasts , Snail crab habitat closely. Epidemiology of paragonimiasis has been investigated in our province in the 1960s and 1970s, and cercariae membrane sedimentation was tested