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首页> 外文期刊>Journal of Parasitology >THE ROLE OF LIZARDS IN THE ECOLOGY OF LYME DISEASE IN TWO ENDEMIC ZONES OF THE NORTHEASTERN UNITED STATES
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THE ROLE OF LIZARDS IN THE ECOLOGY OF LYME DISEASE IN TWO ENDEMIC ZONES OF THE NORTHEASTERN UNITED STATES

机译：蜥蜴在美国东北部两个地方带的莱姆病生态中的作用

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摘要

We examined the role of lizards in the ecology of Lyme disease in New York and Maryland. We collected data on vector tick infestations, measured lizard “realized” reservoir competence for the Lyme disease spirochete Borrelia burgdorferi, and estimated lizard population density. These data were incorporated into a model that predicts a host's ability to influence the prevalence of B. burgdorferi in the tick population, a primary risk factor in the epidemiology of Lyme disease. Published data on other northeastern hosts were included in the model to provide a reference for interpreting the importance of lizards as hosts. The model results indicate that 5-lined skinks (Eumeces fasciatus) are dilution hosts, capable of reducing infection prevalence in the tick population by 10.7–51.5 percentage points, whereas eastern fence lizards (Sceloporus undulatus) are not dilution hosts in the areas studied. Owing to moderate burdens of larval ticks, relatively high population densities, and reservoir incompetence, E. fasciatus may play an important role in the ecology of Lyme disease by reducing vector infection prevalence and associated human risk of infection.
机译：我们研究了蜥蜴在纽约和马里兰州莱姆病生态中的作用。我们收集了关于媒介tick虫侵扰的数据，测量了蜥蜴对莱姆病螺旋体疏螺旋体伯氏疏螺旋体的“已实现”储藏能力，并估计了蜥蜴的种群密度。这些数据被整合到一个模型中，该模型预测宿主影响壁虱种群中伯氏疏螺旋体流行的能力，壁虱种群是莱姆病流行病学中的主要危险因素。该模型包括其他东北部宿主的已发布数据，以提供解释蜥蜴作为宿主的重要性的参考。模型结果表明，5排石龙子（Eumeces fasciatus）是稀释宿主，能够将the虫种群的感染率降低10.7-51.5个百分点，而东部篱笆蜥蜴（Sceloporus undulatus）在研究区域不是稀释宿主。由于幼虫tick的中等负担，相对较高的种群密度和水库的无能，fasciatus在莱姆病生态学中可能会通过降低媒介感染率和相关的人类感染风险而发挥重要作用。

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