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Wisconsin Department of Health Services

Communicable  Diseases Subjects A-Z
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Disease Reporting

West Nile virus

2011 West Nile virus activity in Wisconsin Counties
Updated for December 31, 2011


County

WNV Positive Cases Reported  by County

Birds

Horses

Mosquito
Pools

Human
Confirmed

  Adams

0 0 0 0

  Ashland

0 0 0 0

  Barron

0 0 0 0

  Bayfield

0 0 0 0

  Brown

0 0 0 0

  Buffalo

0 0 0 0

  Burnett

0 0 0 0

  Calumet

0 0 0 0

  Chippewa

0 0 0 0

  Clark

0 3 0 0

  Columbia

1 0 0 0

  Crawford

0 0 0 0

  Dane

1 0 0 0

  Dodge

1 0 0 0

  Door

0 0 0 0

  Douglas

0 0 0 0

  Dunn

0 0 0 1

  Eau Claire

0 0 0 0

  Florence

0 0 0 0

  Fond du Lac

0 0 0 0

  Forest

0 0 0 0

  Grant

1 0 0 0

  Green

0 0 0 0

  Green Lake

0 0 0 0

  Iowa

0 0 0 0

  Iron

0 0 0 0

  Jackson

0 0 0 0

  Jefferson

0 0 0 0

  Juneau

0 0 0 0

  Kenosha

0 0 0 0

  Kewaunee

0 0 0 0

  La Crosse

0 0 0 0

  Lafayette

0 0 0 0

  Langlade

0 0 0 0

  Lincoln

0 0 0 0

  Manitowoc

0 0 0 0

  Marathon

0 0 0 1

  Marinette

0 0 0 0

  Marquette

0 0 0 0

  Menominee

0 0 0 0

  Milwaukee

2 0 0 1

  Monroe

0 0 0 0

  Oconto

0 0 0 0

  Oneida

0 0 0 0

  Outagamie

0 0 0 0

  Ozaukee

0 0 0 0

  Pepin

0 0 0 0

  Pierce

0 0 0 0

  Polk

1 0 0 0

  Portage

1 0 0 0

  Price

1 0 0 0

  Racine

0 0 0 0

  Richland

0 0 0 0

  Rock

1 0 0 0

  Rusk

0 0 0 0

  Saint Croix

0 0 0 0

  Sauk

0 0 0 0

  Sawyer

2 0 0 0

  Shawano

0 0 0 0

  Sheboygan

0 0 0 0

  Taylor

0 0 0 0

  Trempealeau

0 0 0 0

  Vernon

0 0 0 0

  Vilas

2 0 0 0

  Walworth

0 0 0 0

  Washburn

0 0 0 0

  Washington

0 0 0 0

  Waukesha

1 0 0 0

  Waupaca

1 0 0 0

  Waushara

0 0 0 0

  Winnebago

0 0 0 0

  Wood

1 0 0 0

 Wisconsin Total Cases

17

3

0

3

West Nile virus home 

Last Revised: June 08, 2012