东方疖由热带利什曼原虫引起 ,流行于东半球热带干燥地区 ,如北非、苏丹、埃塞俄比亚、中东、巴基斯坦、印度西部等地区 ,中美及南美洲也有流行。传播媒介为白蛉罗蛉属 ,贮存宿主为啮齿类动物如沙士鼠。本所于 1999年 9月收治东方疖 1例 ,简报如下。　　患者男性 ,38岁 ,于 199 It is endemic to tropical tropical regions of the Eastern Hemisphere, such as North Africa, Sudan, Ethiopia, the Middle East, Pakistan and western India. Central and South American countries are also popular. The media is the genus Raucus, the storage host for rodents such as salamanders. The Institute in September 1999 admitted to the East Fang 1 case, the briefing is as follows. Male patient, 38 years old, at 199