锡林郭勒盟草原莱姆病疫源地调查

本项研究于2000年5月—2001年5月从内蒙古锡林郭勒盟地区，不同草原景现带牛、羊体表和草地采集草原血蝉1800只，用直接荧光抗体法检查蜱带菌情况，带菌率为7.5%(6/80)。晴视野显微镜检查蜱带菌情况，带菌率为2%（2/100）；用间接荧光法进行血清流行病学调查，结果证实，调查点的牛和野鼠均存在莱姆病螺旋体感染，其感染率分别为10%和20%，都高于当地人群平均感染率（7.09%)，上述研究证实内蒙古锡林郭勒盟地区人畜及野生动物均有莱姆病螺旋体感染。

Study of Lyme disease in Xilingole distrct of Inner Mongolia

In 2000-2001 studies of Lyme disease were carried out in Xilingole district of Inner Mongolia. 1 800 ticks were collected from cattle, sheep and grass.7.5%(6/80)ticks contained spirochetes using direct immunofluorescence examination 2%(2/100) ticks contained spirochetes using darkfield microscope. The serum epidemiological investigation using IFA. confirmed that the average infective rates were respectively 10% and 20% in cattle and rats, and were higher than in local residents(7.09%).These results showed that there was Lyme disese in Xilingole district of Inner Mongolia.