These county and county equivalent data are based on laboratory tests of mosquitoes collected by state health officials. Mosquitoes are sorted by species and gender. Note that the map includes all areas of positive (confirmed or probable) WNV results, but not necessarily all areas with
submitted samples or no reports.
| Note: These data are provisional and may be revised or adjusted in the future |
| Champaign County | 35 |
| Cook County | 289 |
| Dupage County | 30 |
| Effingham County | 4 |
| Hamilton County | 3 |
| Jackson County | 24 |
| Kane County | 11 |
| La Salle County | 5 |
| Lake County | 71 |
| Logan County | 1 |
| Macon County | 1 |
| Madison County | 21 |
| Massac County | 6 |
| McHenry County | 1 |
| Peoria County | 9 |
| Perry County | 3 |
| Saint Clair County | 3 |
| Saline County | 36 |
| Sangamon County | 15 |
| Shelby County | 24 |
| Tazewell County | 9 |
| White County | 3 |
| Will County | 7 |
| Williamson County | 1 |
| Winnebago County | 12 |
| Cumulative Report Maps for the year 2002, Illinois | |||
| Cumulative Human | Cumulative Veterinary | Cumulative Bird | Cumulative Sentinel Flock |
For further information or questions, please contact the Centers for Disease Control and Prevention:
email: dvbid@cdc.gov
(970) 221-6400