人类感染的丝虫有八种,其中三种寄生于淋巴系统,即:世界广泛分布的班氏丝虫,仅在亚洲发现的马来丝虫和帝汶丝虫。地理分布世界卫生组织把全球划分为六个地区:非洲、美洲、东南亚、欧洲、东地中海和西太平洋地区。这六个地区都有淋巴丝虫病,但以非洲、东南亚和西太平洋地区居民为最大多数。在非洲有2,500多万班氏丝虫病患 There are eight human filarial infections, three of which are parasitic on the lymphatic system, namely, the world’s wide-spread Bancroftian filariasis, the malayian filariasis and the filariasis found only in Asia. Geographical distribution WHO divides the world into six regions: Africa, the Americas, South-East Asia, Europe, the Eastern Mediterranean and the Western Pacific. All six areas have lymphatic filariasis, but most of them inhabitants in Africa, Southeast Asia and the Western Pacific. More than 25 million filariasis patients in Africa