2009
DOI: 10.4269/ajtmh.2009.81.452
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Host Feeding Patterns of Potential Vectors of Eastern Equine Encephalitis Virus at an Epizootic Focus in Tennessee

Abstract: In 2006, 2,817 blood-fed mosquitoes were collected from the site of a 2005 eastern equine encephalitis outbreak in Chester County, TN. Using a polymerase chain reaction-based assay, 264 vertebrate hosts were identified from seven mosquito species. Culex erraticus and Cx. nigripalpus fed on a diversity of mammalian, avian, and reptilian hosts, whereas Anopheles quadrimaculatus and An. punctipennis were predominantly mammalophagic. Overall, 27% of Cx. nigripalpus, 16% of Cx. erraticus, and 7% of An. quadrimacula… Show more

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Cited by 43 publications
(33 citation statements)
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“…erraticus has been shown to feed upon reptiles at the TNF site. This is the most common species found at the TNF site and throughout the Southeastern United States 21,[28][29][30] and it is believed to represent a major potential vector of EEEV in this region. 21,28 It is therefore possible that any or all of these four mosquito species might be responsible for initiating the enzootic transmission cycle through feeding upon EEEV-infected snakes exiting hibernation in the spring.…”
Section: Discussionmentioning
confidence: 99%
“…erraticus has been shown to feed upon reptiles at the TNF site. This is the most common species found at the TNF site and throughout the Southeastern United States 21,[28][29][30] and it is believed to represent a major potential vector of EEEV in this region. 21,28 It is therefore possible that any or all of these four mosquito species might be responsible for initiating the enzootic transmission cycle through feeding upon EEEV-infected snakes exiting hibernation in the spring.…”
Section: Discussionmentioning
confidence: 99%
“…1,5 Shifts in feeding patterns of bridge vectors from feeding on avian to mammalian hosts during the transmission season may help to facilitate transmission to horses and humans. [6][7][8] In the southeastern United States, Culex erraticus is often the most abundant mosquito species in wetlands [9][10][11] and are often infected with EEEV. 9,10 Laboratory studies also suggest that Cx.…”
Section: Introductionmentioning
confidence: 99%
“…restuans , may be important to enzootic transmission in the southeastern region. 15,35 If Cx. erraticus or Cx.…”
Section: Discussionmentioning
confidence: 99%