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West Nile Virus
Mosquito
2009
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West Nile Virus:  Pennsylvania - Mosquito
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Erie County Bradford County Tioga County Mc Kean County Potter County Wayne County Susquehanna County Warren County Crawford County (1) Wyoming County (1) Lackawanna County Elk County Forest County Venango County (1) Cameron County Pike County Lycoming County (2) Sullivan County Mercer County Clinton County Clarion County Luzerne County (2) Jefferson County Columbia County (1) Clearfield County (1) Centre County Monroe County Northumberland County Montour County (1) Butler County Armstrong County (1) Union County (6) Carbon County (1) Lawrence County Northampton County Schuylkill County (1) Indiana County Snyder County Beaver County (3) Mifflin County Lehigh County (1) Huntingdon County Blair County Cambria County Juniata County (2) Westmoreland County Berks County (7) Allegheny County (2) Dauphin County (8) Perry County (1) Bucks County (16) Lebanon County (72) Washington County Montgomery County (52) Cumberland County (20) Bedford County (1) Lancaster County (33) Franklin County (15) Somerset County Chester County (9) York County (16) Fulton County (1) Fayette County Philadelphia County (11) Adams County (4) Delaware County (17) Greene County Navigate to Delaware page Navigate to Maryland page Navigate to Maryland page Navigate to Maryland page Navigate to Maryland page Navigate to Maryland page Navigate to New Jersey page Navigate to New Jersey page Navigate to New York page Navigate to Ohio page Navigate to Virginia page Navigate to Virginia page Navigate to West Virginia page
Map Scalebar 100 km
Cumulative 2009 Data as of 3 am, Nov 17, 2009*
These data are provisional and may be revised or adjusted in the future.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Mosquito Infections by County - Pennsylvania, 2009
Adams County4
Allegheny County2
Armstrong County1
Beaver County3
Bedford County1
Berks County7
Bucks County16
Carbon County1
Chester County9
Clearfield County1
Columbia County1
Crawford County1
Cumberland County20
Dauphin County8
Delaware County17
Franklin County15
Fulton County1
Juniata County2
Lancaster County33
Lebanon County72
Lehigh County1
Luzerne County2
Lycoming County2
Montgomery County52
Montour County1
Perry County1
Philadelphia County11
Schuylkill County1
Union County6
Venango County1
Wyoming County1
York County16
Cumulative Total Entire State: 310
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.