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Volume 12, Number 8—August 2006

Dispatch

West Nile Virus Epizootiology, Central Red River Valley, North Dakota and Minnesota, 2002–2005

Jeffrey A. Bell*, Christina M. Brewer*, Nathan J. Mickelson*, Gabriel W. Garman*, and Jefferson A. Vaughan*Comments to Author 
Author affiliations: *University of North Dakota, Grand Forks, North Dakota, USA

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Table 1

Prevalence of antibodies against West Nile virus (WNV) in 11 species of passerine birds sampled within the central Red River Valley of North Dakota and Minnesota during 2003, 2004, and 2005

Common name Scientific name % birds with antibodies to WNV (n)
2003 2004 2005
American crow Corvus brachyrhynchos 33 (6) 50 (6)
American robin Turdis migratorius 18 (17) 50 (6) 38 (26)
Brown-headed cowbird Molothrus ater 17 (6)
Blue jay Cyanocitta cristata 50 (4) 87 (8)
Brewer's blackbird Euphagus cyanocephalus 33 (3)
Common grackle Quiscalus quiscula 0 (11) 71 (14) 63 (67)
Eastern kingbird Tyrannus tyrannus 100 (3)
European starling Sturnus vulgaris 100 (2) 67 (3)
Gray catbird Dumetella carolinensis 75 (4)
House sparrow Passer domesticus 20 (45) 50 (2)
Red-winged blackbird Agelaius phoeniceus 0 (5) 50 (20) 63 (19)
Total 17.1 (82) 57.7 (52) 57.3 (143)

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