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Archived West Nile Virus Data

 West Nile Virus Activity in Washtenaw County - 2007

Map of Dead Bird Reports 
Graph of Dead Bird Reports

Birds Submitted*

Birds Positive**

Horse Cases

Human: WNV Fever

Human: Neuroinvasive

7

1

0

0

0

*Birds tested include crows, ravens and blue jays.
**Zip code 48105

West Nile Virus Activity in Washtenaw County - 2006

Map of Dead Bird Reports 
Graph of Dead Bird Reports

Birds Submitted*

Birds Positive**

Horse Cases

Human: WNV Fever

Human: Neuroinvasive

32

12

2

1

0

*Birds tested include crows, ravens, blue jays and robins.
**Zipcodes: 48103, 48104, 48105, 48108, 48109, 48160, 48197, 48198, 48130, 48118

West Nile Virus in Washtenaw County - 2005

Map of Dead Bird Reports
Graph of Dead Bird Reports

Birds Submitted*

Birds Positive**

Horse Cases

Human: WNV Fever

Human: Meningo-encephalitis

10

7

0

2

1

*Birds tested include crows, ravens and blue jays.
**Zip codes: 48103, 48109 (2), 48104, 48108, 48178, 48197

West Nile Virus in Washtenaw County - 2004

Map of Dead Bird Reports

Birds Submitted*

Birds Positive**

Horse Cases***

Human: WNV Fever

Human: Meningo-encephalitis

16

7

3

0

0

*Birds tested include crows, ravens and blue jays.
**Zip codes: 48158, 48130, 48105, 48197, 48103, 48109, 48118. In addition, the following Washtenaw zip codes that are shared with other counties were positive (dead bird found in other county): 48178, 48169, 48137, 48170, 49236.
***The three infected horses were from Salem Township; none were vaccinated against West Nile virus; one died.


West Nile Virus in Washtenaw County - 2003

Map of Dead Bird Reports

Birds Submitted*

Birds Positive**

Horse Cases

Human: WNV Fever

Human: Meningo-encephalitis

13

3

0

0

0

*Birds tested include crows, ravens and blue jays.
**Zip codes: 48103, 48160, 48108

West Nile Virus in Washtenaw County - 2002

Birds Submitted*

Birds Positive

Horse Cases

Human: WNV Fever

Human: Meningo-encephalitis

13

1

6

1**

0

*Birds tested include crows, ravens and blue jays.
**One case of probable West Nile fever occurred in Washtenaw County in 2002; it was never confirmed.