Volume 14, Number 7—July 2008
Dispatch
Risk for Avian Influenza Virus Exposure at Human–Wildlife Interface
Jennifer Siembieda*, Christine K. Johnson*, Walter Boyce*, Christian Sandrock†, and Carol Cardona*
Table
Prevalence of avian influenza viruses in California wild birds and marine mammals, October 2005–August 2007, categorized by exposure risk category
| Exposure risk group | No. positive (%) | No. tested | Species (no. positive) |
|---|---|---|---|
| Casual | 8 (0.2) | 4,757 | Finch (3), sparrow (2), cowbird (1), quail (2) |
| Recreational | 20 (0.9) | 2,346 | Duck (19), goose (1) |
| Occupational |
2 (0.1) |
2,054 |
Seabird (1), egret (1) |
| Total | 30 (0.3) | 9,157 |
