*These data are provisional and may be revised or adjusted in the future.
Cumulative Dead Bird Infections by County - Missouri, 2004
| Andrew County | 1 |
| Barton County | 1 |
| Benton County | 2 |
| Boone County | 7 |
| Buchanan County | 6 |
| Callaway County | 2 |
| Camden County | 2 |
| Cape Girardeau County | 1 |
| Cass County | 1 |
| Chariton County | 1 |
| Clay County | 10 |
| Cole County | 1 |
| Franklin County | 1 |
| Gasconade County | 1 |
| Henry County | 1 |
| Howell County | 3 |
| Jackson County | 3 |
| Jasper County | 1 |
| Jefferson County | 7 |
| Johnson County | 2 |
| Laclede County | 2 |
| Lewis County | 1 |
| Macon County | 2 |
| Marion County | 1 |
| Miller County | 1 |
| Mississippi County | 1 |
| Moniteau County | 1 |
| Morgan County | 3 |
| Newton County | 1 |
| Pemiscot County | 1 |
| Pettis County | 1 |
| Platte County | 1 |
| Polk County | 1 |
| Pulaski County | 1 |
| Putnam County | 1 |
| Randolph County | 2 |
| Saint Charles County | 6 |
| Saint Clair County | 1 |
| Saint Francois County | 1 |
| Saint Louis City | 24 |
| Saline County | 1 |
| Taney County | 4 |
| Washington County | 1 |
| Webster County | 1 |
| Wright County | 2 |