*These data are provisional and may be revised or adjusted in the future.
Cumulative Dead Bird Infections by County - Ohio, 2004
| Allen County | 2 |
| Ashland County | 2 |
| Ashtabula County | 2 |
| Brown County | 1 |
| Butler County | 4 |
| Carroll County | 1 |
| Clark County | 3 |
| Crawford County | 1 |
| Delaware County | 2 |
| Erie County | 2 |
| Fairfield County | 2 |
| Franklin County | 1 |
| Fulton County | 1 |
| Geauga County | 1 |
| Greene County | 1 |
| Hamilton County | 3 |
| Hancock County | 2 |
| Knox County | 2 |
| Lake County | 1 |
| Logan County | 2 |
| Lorain County | 4 |
| Lucas County | 3 |
| Mahoning County | 2 |
| Marion County | 1 |
| Medina County | 3 |
| Montgomery County | 2 |
| Ottawa County | 3 |
| Portage County | 2 |
| Preble County | 1 |
| Putnam County | 1 |
| Richland County | 2 |
| Ross County | 5 |
| Sandusky County | 1 |
| Seneca County | 1 |
| Stark County | 2 |
| Trumbull County | 2 |
| Tuscarawas County | 1 |
| Union County | 1 |
| Warren County | 2 |
| Washington County | 1 |
| Williams County | 2 |
| Wood County | 2 |