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.
journal_name
Emerg Infect Disjournal_title
Emerging infectious diseasesauthors
Arrigo NC,Adams AP,Watts DM,Newman PC,Weaver SCdoi
10.3201/eid1609.100459subject
Has Abstractpub_date
2010-09-01 00:00:00pages
1373-80issue
9eissn
1080-6040issn
1080-6059journal_volume
16pub_type
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