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Prevalence of West Nile virus in migratory birds during spring and fall migration

American Journal of Tropical Medicine and Hygiene

By:
, , , , , , and
DOI: 10.4269/ajtmh.2009.09-0106

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Abstract

To investigate the role of migratory birds in the dissemination of West Nile virus (WNV), we measured the prevalence of infectious WNV and specific WNV neutralizing antibodies in birds, principally Passeriformes, during spring and fall migrations in the Atlantic and Mississippi flyways from 2001-2003. Blood samples were obtained from 13,403 birds, representing 133 species. Specific WNV neutralizing antibody was detected in 254 resident and migratory birds, representing 39 species, and was most commonly detected in northern cardinals (Cardinalis cardinalis) (9.8%, N = 762) and gray catbirds (Dumetella carolinensis) (3.2%,N = 3188). West Nile virus viremias were detected in 19 birds, including 8 gray catbirds, and only during the fall migratory period. These results provide additional evidence that migratory birds may have been a principal agent for the spread of WNV in North America and provide data on the occurrence of WNV in a variety of bird species. Copyright ?? 2009 by The American Society of Tropical Medicine and Hygiene.

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Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Prevalence of West Nile virus in migratory birds during spring and fall migration
Series title:
American Journal of Tropical Medicine and Hygiene
DOI:
10.4269/ajtmh.2009.09-0106
Volume
81
Issue:
6
Year Published:
2009
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
American Journal of Tropical Medicine and Hygiene
First page:
1151
Last page:
1158
Number of Pages:
8
Country:
United States
Online Only (Y/N):
N
Additional Online Files(Y/N):
N