Ecology of West Nile Virus in the Southeastern US

美国东南部西尼罗河病毒的生态学

基本信息

  • 批准号:
    6953141
  • 负责人:
  • 金额:
    $ 20.29万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2004
  • 资助国家:
    美国
  • 起止时间:
    2004-09-30 至 2007-09-29
  • 项目状态:
    已结题

项目摘要

Description ( provided by applicant): Since its introduction in 1999,West Nile Virus (WNV) has spread rapidly through out most of North America. It is likely that the epidemiology and maintenance ecology of WNV will differ substantially from region to region, and will change overtime as the infection moves from an epidemic to an endemic pattern of infection. The Principal Investigators of this proposal have collaborated closely over the past four years in a study of the ecology of Eastern Equine Encephalomyelitis(EEE) virus. We demonstrated that avian host choice by EEE vector mosquito esis highly restricted, and that certain species are targeted to a greater extent than predicted based upon their abundance. We have also found that peak periods in viral transmission correspond to periods of intense feeding upon certain avian hosts. We have also obtained preliminary data that suggest that vectors of WNV exhibit a similar pattern of avian host choice. The overall goal of this proposal will be to build upon our studies of the ecology of EEE transmission to develop a comprehensive picture of WNV transmission in the Southeastern USA. The specific aims of this proposal are: 1. To identify the most significant vectors for WNV in peri-urban and urban areas in South Central Alabama and to determine if the vector is involved in over-wintering of WNV in the Southeast. 2. To monitor WNV activity in the avifauna present at the study site, and to relate this activity to the interaction of the avifauna and vector mosquitoes at the site. We shall also monitor a well characterized songbird population to determine if there are subtle detrimental effects of WNV infection on the native avifauna. 3. To test the hypothesis that changes in the host-vector relationship are essential in triggering outbreaks of WNV.
描述(由申请人提供):自从1999年西尼罗病毒(WNV)被引入以来,它已经在北美大部分地区迅速传播。西尼罗河病毒的流行病学和维持生态很可能因地区而异,并且随着感染从流行病转变为地方性感染模式而发生变化。该提案的主要研究人员在过去四年中密切合作研究东部马脑脊髓炎(EEE)病毒的生态学。研究结果表明,EEE媒介蚊子对鸟类宿主的选择受到高度限制,某些物种的目标范围比根据其丰富度预测的要大。我们还发现,病毒传播的高峰期与对某些鸟类宿主的强烈摄食期相对应。我们还获得了初步数据,表明西尼罗河病毒的媒介表现出类似的鸟类宿主选择模式。本提案的总体目标是建立在我们对电子电气设备传播生态学的研究基础上,以全面了解西尼罗河病毒在美国东南部的传播情况。这项建议的具体目标是:

项目成果

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THOMAS R UNNASCH其他文献

THOMAS R UNNASCH的其他文献

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{{ truncateString('THOMAS R UNNASCH', 18)}}的其他基金

Community-directed vector control to enhance mass drug administration for onchocerciasis elimination in Africa
社区指导的病媒控制,以加强非洲盘尾丝虫病的大规模药物管理
  • 批准号:
    10065489
  • 财政年份:
    2016
  • 资助金额:
    $ 20.29万
  • 项目类别:
Ecdysteroid Signaling in Filarial Parasites
丝虫寄生虫中的蜕皮类固醇信号传导
  • 批准号:
    8581279
  • 财政年份:
    2013
  • 资助金额:
    $ 20.29万
  • 项目类别:
Delineating EEEV Over-Wintering and Early Season Amplification Mechanisms
描述 EEEV 越冬和早季放大机制
  • 批准号:
    8698506
  • 财政年份:
    2013
  • 资助金额:
    $ 20.29万
  • 项目类别:
Ecdysteroid Signaling in Filarial Parasites
丝虫寄生虫中的蜕皮类固醇信号传导
  • 批准号:
    8720685
  • 财政年份:
    2013
  • 资助金额:
    $ 20.29万
  • 项目类别:
Spatial modeling of onchocerciasis foci in Africa by remote sensing
非洲盘尾丝虫病疫源地遥感空间建模
  • 批准号:
    8587508
  • 财政年份:
    2009
  • 资助金额:
    $ 20.29万
  • 项目类别:
Spatial modeling of onchocerciasis foci in Africa by remote sensing
非洲盘尾丝虫病疫源地遥感空间建模
  • 批准号:
    7836919
  • 财政年份:
    2009
  • 资助金额:
    $ 20.29万
  • 项目类别:
Ecology of Encephalitis Viruses in the USA
美国脑炎病毒的生态学
  • 批准号:
    7846709
  • 财政年份:
    2009
  • 资助金额:
    $ 20.29万
  • 项目类别:
Spatial modeling of onchocerciasis foci in Africa by remote sensing
非洲盘尾丝虫病疫源地遥感空间建模
  • 批准号:
    8369859
  • 财政年份:
    2009
  • 资助金额:
    $ 20.29万
  • 项目类别:
Spatial modeling of onchocerciasis foci in Africa by remote sensing
非洲盘尾丝虫病疫源地遥感空间建模
  • 批准号:
    8152754
  • 财政年份:
    2009
  • 资助金额:
    $ 20.29万
  • 项目类别:
Mapping Protein Interactions between Filaria and its Wolbachia Endosymbiont
绘制丝虫与其沃尔巴克氏体内共生体之间的蛋白质相互作用
  • 批准号:
    7370744
  • 财政年份:
    2008
  • 资助金额:
    $ 20.29万
  • 项目类别:

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