太平洋地区和东南亚地区的嗜酸性脑膜炎或脑膜脑炎,主要是由广州管园线虫侵入人体中枢神经系统引起的。本虫通常寄生于啮齿动物的肺动脉,而啮齿动物感染本虫是由于进食软体动物中间宿主——含有感染性第三期幼虫的陆地螺蛳和蛞蝓所致。人体感染也是由于吞下已感染有第三期幼虫的软体动物而引起的。幼虫移行进入脑脊髓和眼 Eosinophilic meningitis or meningoencephalitis in the Pacific and Southeast Asia is caused mainly by invasion of the Central Nervous System by the Guangzhou Pipeline Nematode. This insect is usually parasitized in the rodent pulmonary artery, whereas rodents infect this insect due to the feeding of mollusk intermediate hosts, terrestrial snails and slugs that contain the infective third stage larvae. Human infections are also caused by the swallowing of molluscs that have been infected with the third larvae. Larva migrate into the cerebrospinal and eye