*These data are provisional and may be revised or adjusted in the future.
Cumulative Dead Bird Infections by County - Illinois, 2004
| Adams County | 1 |
| Boone County | 1 |
| Bureau County | 1 |
| Cass County | 1 |
| Champaign County | 4 |
| Clinton County | 1 |
| Cook County | 82 |
| Dekalb County | 2 |
| Dupage County | 16 |
| Fayette County | 1 |
| Fulton County | 1 |
| Grundy County | 1 |
| Henry County | 1 |
| Iroquois County | 1 |
| Jo Daviess County | 1 |
| Kane County | 9 |
| Kankakee County | 12 |
| Kendall County | 2 |
| Knox County | 6 |
| La Salle County | 9 |
| Lake County | 5 |
| Lee County | 1 |
| Logan County | 2 |
| Macon County | 4 |
| Macoupin County | 3 |
| Madison County | 5 |
| Marion County | 1 |
| Mason County | 1 |
| McDonough County | 1 |
| McHenry County | 9 |
| McLean County | 2 |
| Menard County | 1 |
| Mercer County | 1 |
| Montgomery County | 3 |
| Ogle County | 2 |
| Peoria County | 2 |
| Pike County | 1 |
| Rock Island County | 7 |
| Saint Clair County | 1 |
| Sangamon County | 3 |
| Schuyler County | 1 |
| Stephenson County | 2 |
| Tazewell County | 1 |
| Vermilion County | 3 |
| Warren County | 1 |
| Washington County | 1 |
| Whiteside County | 3 |
| Will County | 3 |
| Williamson County | 1 |
| Winnebago County | 8 |
| Woodford County | 2 |
![[Clickable Map of USA]](images/il_bird_map_weekfinal.gif)
200 km
![[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]](images/il_bird_epicurve_weekfinal.png "[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]")
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