Volume 10, Number 12—December 2004
Research
West Nile Virus Outbreak in North American Owls, Ontario, 2002
Ady Y. Gancz*
, Ian K. Barker*, Robbin Lindsay†, Antonia Dibernardo†, Katherine McKeever‡, and Bruce Hunter*
, Ian K. Barker*, Robbin Lindsay†, Antonia Dibernardo†, Katherine McKeever‡, and Bruce Hunter*
Table 2
Results of enzyme-linked immunosorbent assay for detection of anti-WNV IgG in survivorsa of a WNV outbreak, the Owl Foundation, 2002b
| Species | Tested | No. seropositive (%) |
|---|---|---|
| Barn Owl (Tyto alba) | 10 | 8 (80) |
| Short-eared Owl (Asio flammeus) | 8 | 8 (100) |
| Barred Owl (Strix varia) | 2 | 2 (100) |
| Great Horned Owl (Bubo virginianus) | 12 | 12 (100) |
| Burrowing Owl (Athene cunicularia) | 10 | 9 (90) |
| Flammulated Owl (Otus flammeolus) | 8 | 1 (12.5) |
| Eastern Screech Owl (Megascops asio) | 33 | 24 (72.7) |
| Northern Pygmy Owl (Glaucidium gnoma) | 5 | 2 (40) |
| Elf Owl (Micrathene whitneyi) | 1 | 1 (100) |
| Peregrine Falcon (Falco peregrinus) | 2 | 2 (100) |
| Total | 91 | 69 (75.8) |
aBirds kept outdoors and not vaccinated against WNV.
bWNV, West Nile virus; Ig, immunoglobulin.
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