West Nile Virus - 2015 Data

Historical surveillance data collected for 2015 West Nile virus in Wisconsin. The information includes positive cases among birds, horses and within tested mosquito pools. Indicated human cases are both confirmed and probable. Tables show cases reported by age and month of illness onset.

2015 Wisconsin Summary Data
Updated February 02, 2016

Type of Positive WNV Cases

Number of Positive WNV Cases
Avian (bird) 47
Equine (horse) 1
Mosquito pools 15
Human confirmed 7
Human probable ⃰ 2
Deaths** 1
Hospitalizations 4
Counties reporting WNV activity 40
⃰⃰ Probable cases presume positive laboratory results without confirmatory testing at CDC.
⃰⃰ ⃰⃰ The deaths are included among the confirmed and probable cases. 

Wisconsin Confirmed and Probable West Nile Virus Cases Reported by Age of Illness Onset 2015

Wisconsin Confirmed and Probable West Nile Virus Cases by Age 2007 - 2015

Wisconsin Confirmed and Probable West Nile Virus Cases Reported by Month of Illness Onset 2015

Wisconsin Confirmed and Probable West Nile Virus Cases by Month 2007 - 2015

 

2015 West Nile Virus Cases by County
Updated February 02, 2016

Wisconsin
county

Birds

Horses

Mosquito
pools

Human
confirmed

Human
probable

Adams

0

0

0

0

0

Ashland

1

0

0

0

0

Barron

0

0

0

0

0

Bayfield

0

0

0

0

0

Brown

1

0

0

1

0

Buffalo

0

0

0

0

0

Burnett

0

0

0

0

0

Calumet

1

0

0

0

0

Chippewa

2

0

0

0

0

Clark

1

0

0

0

0

Columbia

0

0

0

0

0

Crawford

0

0

0

0

0

Dane

1

0

1

1

0

Dodge

0

0

0

0

0

Door

0

0

0

0

0

Douglas

1

0

0

0

0

Dunn

0

0

0

0

0

Eau Claire

1

0

0

0

0

Florence

0

0

0

0

0

Fond du Lac

0

0

0

0

0

Forest

1

0

0

0

0

Grant

0

0

0

0

0

Green

1

0

0

0

0

Green Lake

0

0

0

0

0

Iowa

0

0

0

0

0

Iron

0

0

0

0

0

Jackson

1

0

0

0

0

Jefferson

1

0

0

0

0

Juneau

0

0

0

0

0

Kenosha

2

0

0

0

0

Kewaunee

0

0

0

0

0

La Crosse

1

0

0

0

0

Lafayette

0

0

0

0

0

Langlade

1

0

0

0

0

Lincoln

0

0

0

0

0

Manitowoc

1

0

0

0

0

Marathon

1

0

0

1

0

Marinette

1

0

0

0

0

Marquette

0

0

0

0

0

Menominee

0

0

0

0

0

Milwaukee

2

0

13

3

0

Monroe

1

0

0

0

0

Oconto

1

0

0

0

0

Oneida

2

0

0

0

1

Outagamie

1

0

0

0

0

Ozaukee

1

0

0

0

0

Pepin

0

0

0

0

0

Pierce

1

1

0

0

0

Polk

0

0

0

0

0

Portage

2

0

0

0

0

Price

1

0

0

0

0

Racine

1

0

0

1

0

Richland

0

0

0

0

0

Rock

0

0

0

0

0

Rusk

0

0

0

0

0

Saint Croix

1

0

0

0

0

Sauk

0

0

0

0

0

Sawyer

1

0

0

0

0

Shawano

1

0

0

0

0

Sheboygan

1

0

0

0

0

Taylor

1

0

0

0

0

Trempealeau

0

0

0

0

0

Vernon

0

0

0

0

0

Vilas

1

0

0

0

0

Walworth

1

0

0

0

1

Washburn

0

0

0

0

0

Washington

1

0

0

0

0

Waukesha

1

0

1

0

0

Waupaca

1

0

0

0

0

Waushara

1

0

0

0

0

Winnebago

3

0

0

0

0

Wood

0

0

0

0

0

Wisconsin
Total cases


47


1


15


7


2

Last Revised: June 1, 2017