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Vector Borne and Zoonotic Disease

West Nile Virus: Arizona 2008

 

WNV-All Positive Samples, Arizona, January 1 –December 31, 2008

County

Human

Mosquito

Equine

Avian

Sentinel Chickens

Other Animals

# Tested

260

3192

52

54

145

9

Apache

 

 

 

 

 

 

Cochise

 

 

 

 1

1

 

Coconino

 

2

 

 

 

1 chipmunk
2 squirrels

Gila

2

 

 

 

 

1 squirrel

Greenlee

 

 

 

 

6

 

Graham

5

 

 

 

2

 

La Paz

 

 

 

 

 

 

Maricopa

88 *(6)

108

 3

4

 

 

Mohave

 

 

 

 

 

 

Navajo

 

 

 

 

 

 

Pima

13 *(1)

15

 

 

6

 

Pinal

3

43

 

 

22***

 

Santa Cruz

 

 

 

 

6

 

Yavapai

 

 

 

 

 

 

Yuma

 

41

 

 

19

 

Total positive samples

**111

209

  3

5

62

 4

* Figures in parenthesis represent number of human deaths reported

** There are also (27) reported viremic blood donors. (15) are symptomatic in Pima and Maricopa counties.   

** (1) St. Louis Encephalitis sentinel chicken in Pinal Count

Notes:

Gender: 46 female, 65 male
Median age 54
Age range {10-91}

Clinical Breakdown:

(39) encephalitis
(22) meningitis
(42) fever
(8) other

Approximately 86,436 mosquitoes were tested out of approximately 413,951 collected.

Mosquito Species:

(99) Culex tarsalis
(69) Cx. Quinquefasciatus
(3) Cx. Erythrothorax
(22) Cx. Sp.
(15) Mixed species

 

2008 Map (coming soon)

 

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