West Nile Virus Activity in Texas, 2007 Case Breakdown

County

Human WNND*

Human WNF*

Mosquito

Horse

Other*

Total

Andrews

1

0

0

1

0

2

Angelina

7

0

0

2

0

9

Austin

0

0

0

1

0

1

Bailey

0

0

0

1

0

1

Bastrop

0

0

0

1

0

1

Bell

1

0

2

0

0

3

Bexar

17

6

0

2

0

25

Bowie

1

0

0

3

0

4

Brazoria

0

1

0

1

0

2

Brazos

1

1

2

0

0

4

Caldwell

0

0

0

1

0

1

Cameron

1

3

0

0

0

4

Camp

0

0

0

1

0

1

Cass

0

0

0

4

0

4

Cherokee

0

0

0

3

0

3

Clay

1

0

0

1

0

2

Collin

7

3

23

1

0

34

Colorado

0

0

0

2

0

2

Cooke

3

0

0

1

0

4

Coryell

1

0

1

0

0

2

Dallam

0

2

0

0

0

2

Dallas

12

13

114

0

0

139

Dawson

1

0

0

0

0

1

Denton

4

3

19

0

0

26

Ector

2

1

0

2

0

5

El Paso

29

8

13

0

0

50

Ellis

0

0

1

0

0

1

Erath

0

0

0

2

0

2

Fannin

0

0

0

1

0

1

Fort Bend

1

0

4

1

0

6

Franklin

0

1

0

1

0

2

Freestone

1

0

0

1

0

2

Galveston

0

1

0

0

0

1

Glasscock

0

1

0

1

0

2

Gregg

0

1

0

1

0

2

Grimes

0

0

0

1

0

1

Hardin

1

2

0

0

0

3

Harris

18

8

86

2

0

114

Harrison

0

0

0

1

0

1

Hartley

0

1

0

0

0

1

Haskell

0

0

0

1

0

1

Henderson

0

0

0

1

0

1

Hidalgo

2

1

0

1

0

4

Hopkins

0

0

0

1

0

1

Houston

0

0

0

4

0

4

Hunt

2

1

0

0

0

3

Jefferson

7

0

12

1

0

20

Jim Wells

1

2

0

0

0

3

Jones

1

2

0

3

0

6

Kendall

0

0

0

1

0

1

Kleberg

1

0

0

0

0

1

Lamb

0

1

0

0

0

1

Lee

0

0

0

1

0

1

Leon

0

0

0

1

0

1

Liberty

1

1

0

0

0

2

Lubbock

3

2

17

0

0

22

Madison

0

0

0

1

0

1

McLennan

0

0

1

0

0

1

Midland

1

1

0

1

0

3

Milam

1

0

0

0

0

1

Mills

0

1

0

0

0

1

Montgomery

1

0

39

1

0

41

Nueces

3

2

20

0

0

25

Orange

3

0

0

0

0

3

Palo Pinto

1

0

0

0

0

1

Panola

1

0

0

2

0

3

Parker

0

0

0

2

0

2

Polk

1

0

0

0

0

1

Randall

3

3

0

0

0

6

Rusk

0

0

0

3

0

3

San Jacinto

0

0

0

1

0

1

Shelby

0

0

0

1

0

1

Sherman

1

0

0

0

0

1

Smith

0

0

4

7

0

11

Stephens

1

1

0

0

0

2

Tarrant

12

11

30

0

0

53

Taylor

0

0

3

2

0

5

Terry

1

0

0

0

0

1

Travis

6

2

12

2

0

22

Trinity

0

0

0

1

0

1

Upshur

0

0

0

4

0

4

Van Zandt

0

0

0

2

0

2

Walker

1

0

0

0

0

1

Waller

1

0

0

1

0

2

Webb

1

0

0

0

0

1

Wharton

1

0

0

1

0

2

Wichita

1

1

4

0

0

6

Willacy

0

1

0

1

0

2

Williamson

1

0

0

1

0

2

Winkler

0

0

0

1

0

1

Wood

0

0

0

3

0

3

Young

0

1

0

0

0

1

Zapata

0

0

0

1

0

1

Total

170

90

407

94

0

761

*WNND = West Nile Neuroinvasive Disease is the more severe form the disease cause by the West Nile virus which incorporates the central nervous system (West Nile meningitis, West Nile encephalitis, and West Nile meningoencephalitis).

*WNF = West Nile Fever is the form of the disease cause by the West Nile virus that shows no evidence of neuroinvasion.

* West Nile virus can be isolated from a number of different animal hosts. These positive cases are placed in the “other” category.

** Counties with a “0″ in to the total column had positive bird cases of West Nile virus.