Methods The antibody of Borrelia burgdoferi in the crowd serum was detected by immunofluorescence, and the spirochete DNA was tested with PCR.

• 方法人群血清伯氏疏螺旋体抗体的检测采用免疫荧光法，以聚合酶链反应(PCR)检测伯氏疏螺旋体DNA。