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1979～1982年在内蒙古通过病人、人群利什曼素皮内试验和白蛉分布等项调查,发现仅干旱荒漠地区的额济纳旗和阿拉善右旗以及山丘地区的宁城县和喀喇沁旗有黑热病发生。在额济纳旗,该病连年持续不断,1972～1982年的年发病率波动在5/万～72/万之
From 1979 to 1982 in Inner Mongolia through the patient, the crowd Leishman skin intradermal test and the distribution of white flushing and other items found only in the arid desert Ejina Banner and Alashan Right Banner and hill areas of Ningcheng and Kara Qin Flag has kala-azar. In Ejin Banner, the disease has been continuous year after year with an annual fluctuation of 5% -7200 / million in 1972-1982