莱姆病是一种新近被认识的自然疫源性疾病。本文介绍了近年来莱姆病的发病情况及变化趋势,着重对该病的分布特征、宿主动物与传染源、传播途经及人群易感性等流行病学问题进行了综述。 Lyme disease is a newly recognized natural foci of disease. This article describes the incidence of Lyme disease in recent years and trends, focusing on the distribution of the disease, host animals and sources of infection, transmission and population susceptibility and other epidemiological issues were reviewed.