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Migratory birds collected in Coachella Valley during the spring of 2006 and 2007 that tested positive for antibody to WEEV or flaviviruses (Flav) by enzyme immunoassay (EIA) or plaque reduction neutralization assay (PRNT)
| Species | Virus | EIA | PRNT |
|---|---|---|---|
| 2006 | |||
| Summer Tanager | Flav | 3.1 | < 1:20 |
| Western Tanager | WEEV | 3.2 | < 1:20 |
| Wilson's Warbler | WEEV | 2.0 | < 1:20 |
| Wilson's Warbler | Flav | 2.3 | < 1:20 |
| 2007 | |||
| MacGillivaray's Warbler | WNV | 7.5 | > 1:80 |
| Yellow Warbler | WNV | 3.4 | 1:40 |
