Volume 10, Number 9—September 2004
Dispatch
Year-round West Nile Virus Activity, Gulf Coast Region, Texas and Louisiana
Robert B. Tesh*
, Ray Parsons†, Marina Siirin*, Yvonne Randle†, Chris Sargent†, Hilda Guzman*, Taweesak Wuithiranyagool†, Stephen Higgs*, Dana L. Vanlandingham*, Adil A. Bala†, Keith Haas‡, and Brian Zerinque§
, Ray Parsons†, Marina Siirin*, Yvonne Randle†, Chris Sargent†, Hilda Guzman*, Taweesak Wuithiranyagool†, Stephen Higgs*, Dana L. Vanlandingham*, Adil A. Bala†, Keith Haas‡, and Brian Zerinque§
Table 2
West Nile virus–species infection rates among 248 culture-positive dead birds collected in Harris County, Texas, January 2003–March 2004
| Common name | Scientific name | Total tested | No. infected (%) |
|---|---|---|---|
| Blue Jay | Cyanocitta cristata | 376 | 184 (48.9) |
| American Crow | Corvus brachyrhynchos | 23 | 16 (69.6) |
| Loggerhead Shrike | Lanius ludovicianus | 14 | 7 (50) |
| House Sparrow | Passer domesticus | 119 | 19 (16.0) |
| Northern Mockingbird | Mimus polyglottus | 99 | 8 (8.1) |
| Mourning Dove | Zenaida macroura | 278 | 6 (2.2) |
| Rock Dove | Columba livia | 48 | 1 (2.1) |
| Inca Dove | Columbina inca | 38 | 1 (2.6) |
| Great-crested Flycatcher | Myiarchus crinitus | 1 | 1 (100) |
| Carolina Chickadee | Parus carolinensis | 3 | 1 (33.3) |
| Tufted Titmouse | Baeolophus bicolor | 2 | 1 (50) |
| Common Grackle | Quiscalus quiscula | 84 | 3 (3.6) |
| Orchard Oriole | Icterus spurius | 3 | 1 (33.3) |
| American Goldfinch | Carduelis tristis | 1 | 1 (100) |
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