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作者等在埃塞俄比亚西北部Setit Humera黑热病流行区对居民进行了利什曼抗原的皮内试验,受试对象大都是近15年内从贝根迪尔、提格雷和沃洛等非流行区迁入的,他们的平均居住时间为4年半。所用的皮试抗
The authors carried out an in-skin test of Leishman’s antigen on inhabitants in the Seth Humera kala-azith-endemic area in northwestern Ethiopia, mostly migrating from non-endemic areas such as Begenjir, Tigray and Volo within nearly 15 years Their average length of stay is 4½ years. Skin test used