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本文报告了在西藏阿里地区(海拔4050～4575m)的日土县多玛兵站、日土县郊和普兰县郊,发现尾蚴性皮炎。共查见4种淡水螺。在多玛,青海萝卜螺(Radix cucunouica)中检出4种尾蚴,经2名志愿者感染实验证实仅1种毛毕尾蚴(Trichobilharzia sp.)能引起典型的皮肤损害。该尾蚴与包氏毛毕吸虫(T.paoi)尾蚴形态近似,但腹吸盘无刺,且端部星瓣状乳突。此外,在昆沙、日土羊体普遍查到土耳其斯坦东毕吸虫(Orientobilharzia turkestanica),估计在有耳萝卜螺(R.auricalaria)孳生的地段亦为病原之一。还对阿里及其邻近地区的疫源地,作简要讨论。
This article reports on the discovery of cercarial dermatitis in the Damar station in Ritto County, Ritto in eastern Japan and in the suburban Pulan in the Ali area of Tibet (4050-4575 m above sea level). See a total of 4 kinds of freshwater snails. Four cercariae were detected in the Radix cucunouica at Doma and in two volunteer infection experiments and confirmed that only one trichobilharzia sp. Causes typical skin lesions. The cercaria and B. burgdorferi (T.paoi) cercariae close to the shape, but no sucker abdominal suction, and the end of the star-papillary. In addition, the Orientobilharzia turkestanica is commonly found in the Japanese goat in Kursa and is estimated to be one of the pathogen in the area where R. auricalaria breeds. Also on Ali and its neighboring areas of foci for a brief discussion.