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Surveillance Data and Maps


Select a county below to view surveillance information for that county.

Map of Surveillance Results Adams County - Blue/Virus Has Not Yet Been Found Allegheny County - Blue/Virus Has Not Yet Been Found Armstrong County - Blue/Virus Has Not Yet Been Found Beaver County - Blue/Virus Has Not Yet Been Found Bedford County - Blue/Virus Has Not Yet Been Found Berks County - Blue/Virus Has Not Yet Been Found Blair County - Blue/Virus Has Not Yet Been Found Bradford County - Blue/Virus Has Not Yet Been Found Bucks County - Blue/Virus Has Not Yet Been Found Butler County - Blue/Virus Has Not Yet Been Found Cambria County - Blue/Virus Has Not Yet Been Found Cameron County - Blue/Virus Has Not Yet Been Found Carbon County - Blue/Virus Has Not Yet Been Found Centre County - Blue/Virus Has Not Yet Been Found Chester County - Blue/Virus Has Not Yet Been Found Clarion County - Blue/Virus Has Not Yet Been Found Clearfield County - Blue/Virus Has Not Yet Been Found Clinton County - Blue/Virus Has Not Yet Been Found Columbia County - Blue/Virus Has Not Yet Been Found Crawford County - Blue/Virus Has Not Yet Been Found Cumberland County - Blue/Virus Has Not Yet Been Found Dauphin County - Blue/Virus Has Not Yet Been Found Delaware County - Blue/Virus Has Not Yet Been Found Elk County - Blue/Virus Has Not Yet Been Found Erie County - Blue/Virus Has Not Yet Been Found Fayette County - Blue/Virus Has Not Yet Been Found Forest County - Blue/Virus Has Not Yet Been Found Franklin County - Blue/Virus Has Not Yet Been Found Fulton County - Blue/Virus Has Not Yet Been Found Greene County - Blue/Virus Has Not Yet Been Found Huntingdon County - Blue/Virus Has Not Yet Been Found Indiana County - Blue/Virus Has Not Yet Been Found Jefferson County - Blue/Virus Has Not Yet Been Found Juniata County - Blue/Virus Has Not Yet Been Found Lackawanna County - Blue/Virus Has Not Yet Been Found Lancaster County - Blue/Virus Has Not Yet Been Found Lawrence County - Blue/Virus Has Not Yet Been Found Lebanon County - Blue/Virus Has Not Yet Been Found Lehigh County - Blue/Virus Has Not Yet Been Found Luzerne County - Blue/Virus Has Not Yet Been Found Lycoming County - Blue/Virus Has Not Yet Been Found McKean County - Blue/Virus Has Not Yet Been Found Mercer County - Blue/Virus Has Not Yet Been Found Mifflin County - Blue/Virus Has Not Yet Been Found Monroe County - Blue/Virus Has Not Yet Been Found Montgomery County - Blue/Virus Has Not Yet Been Found Montour County - Blue/Virus Has Not Yet Been Found Northampton County - Blue/Virus Has Not Yet Been Found Northumberland County - Blue/Virus Has Not Yet Been Found Perry County - Blue/Virus Has Not Yet Been Found Philadelphia County - Blue/Virus Has Not Yet Been Found Pike County - Blue/Virus Has Not Yet Been Found Potter County - Blue/Virus Has Not Yet Been Found Schuylkill County - Blue/Virus Has Not Yet Been Found Snyder County - Blue/Virus Has Not Yet Been Found Somerset County - Blue/Virus Has Not Yet Been Found Sullivan County - Blue/Virus Has Not Yet Been Found Susquehanna County - Blue/Virus Has Not Yet Been Found Tioga County - Blue/Virus Has Not Yet Been Found Union County - Blue/Virus Has Not Yet Been Found Venango County - Blue/Virus Has Not Yet Been Found Warren County - Blue/Virus Has Not Yet Been Found Washington County - Blue/Virus Has Not Yet Been Found Wayne County - Blue/Virus Has Not Yet Been Found Westmoreland County - Blue/Virus Has Not Yet Been Found Wyoming County - Blue/Virus Has Not Yet Been Found York County - Blue/Virus Has Not Yet Been Found Counties in Blue are counties in which virus has not yet been found during the year.  Move your cursor over individual counties to determine county surveillance status. Counties in Red are counties in which virus has been found during the year.  Move your cursor over individual counties to determine county surveillance status.

Red/Blue Map Legend - Red = Virus Found, Blue = No Virus Found

Tabular view of PA county surveillance status for 2014

Pennsylvania Surveillance

Surveillance Type Number Collected Number Tested Number Positives
Humans N/A N/A 0*
Human Blood Donors N/A N/A 0
Dead Birds 0 0 0
Mosquito Samples 314 0 0
Mosquito Pools N/A 0 0
Veterinary Samples N/A N/A 0*
*This number may include positive cases for pathogens other than West Nile Virus. For more information, please see the corresponding Human Cases or Veterinary Positives tables below.


View:  County Positives Summary  |  Human Cases  |  Mosquito Positives  |  Avian Positives  |  Veterinary Positives

County Positives Summary

CountyTotal
Positives
Human
Cases
Avian SamplesMosquito SamplesVeterinary
Positives
CollectedTestedPositiveCollectedTestedPositive
Adams000000000
Allegheny000009000
Armstrong000000000
Beaver000007000
Bedford000000000
Berks0000041000
Blair0000039000
Bradford000000000
Bucks000006000
Butler000000000
Cambria000000000
Cameron000000000
Carbon000000000
Centre0000042000
Chester000000000
Clarion000000000
Clearfield000000000
Clinton000000000
Columbia000000000
Crawford000000000
Cumberland0000023000
Dauphin0000014000
Delaware000008000
Elk000000000
Erie000000000
Fayette000000000
Forest000000000
Franklin000001000
Fulton000000000
Greene000000000
Huntingdon000000000
Indiana000000000
Jefferson000000000
Juniata000000000
Lackawanna0000030000
Lancaster000001000
Lawrence000000000
Lebanon000000000
Lehigh000007000
Luzerne000001000
Lycoming000000000
McKean000000000
Mercer000000000
Mifflin000000000
Monroe000000000
Montgomery0000023000
Montour000000000
Northampton000005000
Northumberland000000000
Perry000000000
Philadelphia0000012000
Pike000000000
Potter000000000
Schuylkill000000000
Snyder000000000
Somerset000000000
Sullivan000000000
Susquehanna000000000
Tioga000000000
Union000000000
Venango000000000
Warren000000000
Washington000000000
Wayne000000000
Westmoreland000000000
Wyoming000000000
York0000045000
TOTAL00000314000
Positive Counties0
Counties with
Human Positives
0
Counties with
Dead Bird Positives
0
Counties with
Mosquito Positives
0
Counties with
Veterinary Positives
0

Human Positives Reported
Top

(Most recent cases reported at top of table)

Pathogen County Gender Date Reported Illness
Onset Date
Status
No confirmed human cases have been reported in 2014.

Mosquito Positives Collected
Top

  • Mosquito samples may consist of 1 or more mosquito pools with 1 or more species
  • Samples below ordered by County, then by Recent Date

County Municipality Date Species
No positive mosquito samples have been reported in 2014.

Avian Positives Collected
Top

County Municipality Date Collected Species
No positive birds have been reported in 2014.

Veterinary Positives Collected
Top

Pathogen County Municipality Date Collected Animal Type
No positive veterinary specimens have been reported in 2014.

Dead birds

When a dead bird is sighted, the information about that bird is recorded. If the bird meets the criteria for testing, it is collected and sent for testing. Samples are from each bird are tested for WNV. This table records the surveillance effort in Pennsylvania by whole birds,rather than partial tissues from the birds.

Mosquitoes

All mosquitoes collected in one effort create a sample of mosquitoes. This sample is sent to the lab for identification. A sample can include either larval or adult mosquitoes. Only adult mosquitoes are tested for WNV. All mosquitoes are identified, and adults are divided into subsamples by species for testing. This table records the surveillance effort in Pennsylvania by samples, rather than subsamples of mosquitoes.

Veterinary Samples

Diagnostic blood samples from equine and other animals submitted by veterinarians across the state will be tested for WNV. Please note that since it is impossible to differentiate between naturally infected horses and vaccinated horses, it is important that the vaccination history of any horse that is being tested be provided to the laboratory. A reporting form is available for submission with samples from the Pennsylvania Veterinary Laboratory.


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2000 Year End Report

2001 Surveillance Results

2002 Surveillance Results

2003 Surveillance Results

2004 Surveillance Results

2005 Surveillance Results

2006 Surveillance Results

2007 Surveillance Results

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2009 Surveillance Results

2010 Surveillance Results

2011 Surveillance Results

2012 Surveillance Results

2013 Surveillance Results

2014 Surveillance Results