Methods Collecting the blood of mountain forest residents in Yuanqu county,Shanxi province,an investigation on Lyme disease was conducted by means of Immunofluorescence assay(IFA) in 2005.

• 方法2005年在山西省某县山林地区人群中进行调查,并采集血液标本,用间接免疫荧光抗体试验(IFA)进行人群莱姆病特异检测,结合流行病学史、临床表现和实验室检查结果了解莱姆病感染情况。