Cotton rats and house sparrows as hosts for north and south american strains of eastern equine encephalitis virus

Nicole C. Arrigo, A. Paige Adams, Douglas M. Watts, Patrick C. Newman, Scott Weaver

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Eastern equine encephalitis virus (EEEV; family Togaviridae, genus Alphavirus) is an arbovirus that causes severe disease in humans in North America and in equids throughout the Americas. The enzootic transmission cycle of EEEV in North America involves passerine birds and the ornithophilic mosquito vector, Culiseta melanura, in freshwater swamp habitats. However, the ecology of EEEV in South America is not well understood. Culex (Melanoconion) spp. mosquitoes are considered the principal vectors in Central and South America; however, a primary vertebrate host for EEEV in South America has not yet been identified. Therefore, to further assess the reservoir host potential of wild rodents and wild birds, we compared the infection dynamics of North American and South American EEEV in cotton rats (Sigmodon hispidus) and house sparrows (Passer domesticus). Our findings suggested that each species has the potential to serve as amplification hosts for North and South America EEEVs.

Original languageEnglish (US)
Pages (from-to)1373-1380
Number of pages8
JournalEmerging Infectious Diseases
Volume16
Issue number9
DOIs
StatePublished - 2010

Fingerprint

Eastern equine encephalitis virus
Sigmodontinae
Sparrows
South America
North America
Birds
Togaviridae
Alphavirus
Arboviruses
Central America
Culex
Wetlands
Ecology
Culicidae
Fresh Water
Ecosystem
Vertebrates
Rodentia
Infection

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases
  • Epidemiology

Cite this

Cotton rats and house sparrows as hosts for north and south american strains of eastern equine encephalitis virus. / Arrigo, Nicole C.; Paige Adams, A.; Watts, Douglas M.; Newman, Patrick C.; Weaver, Scott.

In: Emerging Infectious Diseases, Vol. 16, No. 9, 2010, p. 1373-1380.

Research output: Contribution to journalArticle

Arrigo, Nicole C. ; Paige Adams, A. ; Watts, Douglas M. ; Newman, Patrick C. ; Weaver, Scott. / Cotton rats and house sparrows as hosts for north and south american strains of eastern equine encephalitis virus. In: Emerging Infectious Diseases. 2010 ; Vol. 16, No. 9. pp. 1373-1380.
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