Objective To understand the situation of the reservoir hosts and vectors infected by Borrelia burgdorferi, the distribution of the reservoir hosts and the seasonal fluctuation of ticks in Miyun area.

• 摘要目的了解密云地区莱姆病宿主动物和传播媒介的感染情况，以及宿主动物的分布情况和传播媒介蜱的季节消长规律，为密云地区莱姆病的防制提供科学依据。