*These data are provisional and may be revised or adjusted in the future.
Cumulative Mosquito Infections by County - Pennsylvania, 2004
| Adams County | 13 |
| Allegheny County | 3 |
| Armstrong County | 1 |
| Beaver County | 3 |
| Berks County | 1 |
| Blair County | 1 |
| Bucks County | 7 |
| Carbon County | 2 |
| Chester County | 5 |
| Clinton County | 1 |
| Columbia County | 1 |
| Crawford County | 1 |
| Cumberland County | 1 |
| Dauphin County | 13 |
| Delaware County | 7 |
| Erie County | 2 |
| Fayette County | 4 |
| Forest County | 1 |
| Franklin County | 5 |
| Fulton County | 1 |
| Huntingdon County | 3 |
| Juniata County | 4 |
| Lancaster County | 44 |
| Lebanon County | 2 |
| Lycoming County | 1 |
| Montgomery County | 6 |
| Northampton County | 4 |
| Perry County | 3 |
| Philadelphia County | 18 |
| Pike County | 1 |
| Snyder County | 1 |
| Union County | 2 |
| York County | 31 |
![[Clickable Map of USA]](images/pa_mosquito_map_weekfinal.gif)
100 km
![[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]](images/pa_mosquito_epicurve_weekfinal.png "[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]")
![[USGS Logo]](images_common/logo_usgs.gif){kind=logo}
