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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 2015

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 3795 350 0
Mosquito Pools N/A 594 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
Adams000001453500
Allegheny0000080100
Armstrong000003000
Beaver00000922600
Bedford000000000
Berks00000142900
Blair00000140800
Bradford000000000
Bucks000002862900
Butler000005000
Cambria00000892300
Cameron000000000
Carbon000009000
Centre00000131200
Chester000001793900
Clarion000004000
Clearfield000005000
Clinton000009200
Columbia000000000
Crawford000000000
Cumberland000002131100
Dauphin000001401100
Delaware000002513400
Elk000008000
Erie0000041000
Fayette0000051500
Forest000000000
Franklin00000104200
Fulton000000000
Greene000000000
Huntingdon000000000
Indiana000004000
Jefferson000005000
Juniata000006000
Lackawanna0000075500
Lancaster000002851100
Lawrence00000571400
Lebanon00000134400
Lehigh00000110800
Luzerne0000093600
Lycoming0000011100
McKean000007000
Mercer000000000
Mifflin000008000
Monroe0000033500
Montgomery00000138300
Montour000000000
Northampton0000037100
Northumberland0000026500
Perry0000028300
Philadelphia00000124100
Pike000001000
Potter000000000
Schuylkill0000015300
Snyder0000012300
Somerset000000000
Sullivan000000000
Susquehanna000000000
Tioga000000000
Union0000033500
Venango000000000
Warren000009400
Washington0000014400
Wayne000000000
Westmoreland000009000
Wyoming000000000
York000003942700
TOTAL00000379535000
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 2015.

Mosquito Positives Collected
Top

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

County Municipality Date Species
No positive mosquito samples have been reported in 2015.

Avian Positives Collected
Top

County Municipality Date Collected Species
No positive birds have been reported in 2015.

Veterinary Positives Collected
Top

Pathogen County Municipality Date Collected Animal Type
No positive veterinary specimens have been reported in 2015.

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

2008 Surveillance Results

2009 Surveillance Results

2010 Surveillance Results

2011 Surveillance Results

2012 Surveillance Results

2013 Surveillance Results

2014 Surveillance Results

2015 Surveillance Results