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    Author(s): Graeme Lockaby; Navideh Noori; Wayde Morse; Wayne Zipperer; Latif Kalin; Robin Governo; Rajesh Sawant; Matthew Ricker
    Date: 2016
    Source: Journal of Vector Ecology
    Publication Series: Scientific Journal (JRNL)
    Station: Southern Research Station
    PDF: Download Publication  (2.0 MB)


    The integrated effects of the many risk factors associated with West Nile virus (WNV) incidence are complex and not
    well understood. We studied an array of risk factors in and around Atlanta, GA, that have been shown to be linked with WNV in
    other locations. This array was comprehensive and included climate and meteorological metrics, vegetation characteristics, land
    use / land cover analyses, and socioeconomic factors. Data on mosquito abundance and WNV mosquito infection rates were
    obtained for 58 sites and covered 2009-2011, a period following the combined storm water – sewer overflow remediation in that
    city. Risk factors were compared to mosquito abundance and the WNV vector index (VI) using regression analyses individually
    and in combination. Lagged climate variables, including soil moisture and temperature, were significantly correlated (positively)
    with vector index as were forest patch size and percent pine composition of patches (both negatively). Socioeconomic factors
    that were most highly correlated (positively) with the VI included the proportion of low income households and homes built
    before 1960 and housing density. The model selected through stepwise regression that related risk factors to the VI included
    (in the order of decreasing influence) proportion of houses built before 1960, percent of pine in patches, and proportion of low
    income households.

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    Lockaby, Graeme; Noori, Navideh; Morse, Wayde; Zipperer, Wayne; Kalin, Latif; Governo, Robin; Sawant, Rajesh; Ricker, Matthew. 2016.Climatic, ecological, and socioeconomic factors associated with West Nile virus incidence in Atlanta, Georgia, U.S.A.. Journal of Vector Ecology. 41(2): 232-243.


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    West Nile virus, water quality, socioeconomic health risk, forest cover loss, urbanization, climate induced health risk

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