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Influence of Forest Disturbance on La Crosse Virus Risk in Southwestern Virginia

dc.contributor.authorHopkins, M. Camilleen
dc.contributor.authorZink, Steven D.en
dc.contributor.authorPaulson, Sally L.en
dc.contributor.authorHawley, Dana M.en
dc.contributor.departmentBiological Sciencesen
dc.date.accessioned2020-01-10T14:38:30Zen
dc.date.available2020-01-10T14:38:30Zen
dc.date.issued2019-12-30en
dc.date.updated2020-01-10T09:02:29Zen
dc.description.abstractForest disturbance effects on La Crosse virus (LACV) are currently unknown. We determined the abundance of three LACV accessory vectors (<i>Aedes albopictus</i>, <i>Ae. canadensis</i>, and <i>Ae. vexans</i>) and the primary amplifying host (Eastern chipmunk; <i>Tamias striatus</i>), and tested for LACV prevalence in both vectors and chipmunks, across a gradient of experimental forest disturbance treatments in southwest Virginia. Forest disturbance significantly affected the abundance of LACV accessory vectors, with a higher abundance on disturbed sites for <i>Ae. canadensis</i> and <i>Ae.</i> <i>vexans</i>. However, there was no significant disturbance effect on chipmunk abundance. Forest disturbance significantly affected LACV prevalence in mosquito vectors, with most (80%) detections on unlogged control sites, which past work showed harbor the highest abundance of the two most common LACV vectors (the primary vector <i>Aedes triseriatus</i>, and <i>Ae. japonicus</i>). Interestingly, LACV nucleic acid was only detected in <i>Ae. japonicus</i> and <i>Culex pipiens/restuans</i>, with no detections in the primary vector, <i>Ae. triseriatus</i>. In contrast to the vector results, antibodies were only found in chipmunks on logged sites, but this result was not statistically significant. Overall, our results suggest that human LACV risk should generally decline with logging, and reveal the potential importance of accessory vectors in LACV maintenance in Appalachian forests.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHopkins, M.C.; Zink, S.D.; Paulson, S.L.; Hawley, D.M. Influence of Forest Disturbance on La Crosse Virus Risk in Southwestern Virginia. Insects 2019, 11, 28.en
dc.identifier.doihttps://doi.org/10.3390/insects11010028en
dc.identifier.urihttp://hdl.handle.net/10919/96384en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectLa Crosse virusen
dc.subjectmosquitoen
dc.subjectchipmunken
dc.subjectinvasive speciesen
dc.subjectaccessory vectorsen
dc.titleInfluence of Forest Disturbance on La Crosse Virus Risk in Southwestern Virginiaen
dc.title.serialInsectsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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