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Table 1 Prevalence and distribution of LACV SI+ and I+ mosquitoes in the 2006 and 2007 collections

From: Identification of super-infected Aedes triseriatus mosquitoes collected as eggs from the field and partial characterization of the infecting La Crosse viruses

 

I+

S+

 

2006

2007

2006

2007

County, State

PosMos

Total Tested

Prev

PosMos

Total Tested

Prev

Pos Mos

Total Tested

Prev

PosMos

Total Tested

Prev

Clayton, IA

N/A

N/A

N/A

3

198

0.015

N/A

N/A

N/A

0

198

0

Crawford, WI

12

555

0.022

68

1561

0.044

1

555

0.0018

4

1561

0.0026

Iowa, WI

22

792

0.028

4

188

0.021

0

792

0

0

188

0

LaCrosse, WI

12

605

0.02

129

3097

0.042

0

605

0

0

3097

0

Lafayette, WI

35

902

0.039

19

275

0.069

0

902

0

4

275

0.0145

Monroe, WI

1

183

0.006

42

1005

0.042

0

183

0

0

1005

0

Vernon, WI

37

1122

0.033

45

1770

0.025

1

1122

0.0009

0

1770

0

Houston, MN

89

1744

0.051

51

1318

0.039

0

1744

0

7

1318

0.0053

Winona, MN

24

858

0.028

74

1652

0.045

0

858

0

0

1652

0

Total

232

6761

 

432

11064

 

2

6761

 

15

11064

 

Overall Prevalence**

  

0.034

  

0.039

  

0.0003

  

0.0014

  1. *Prevalence was determined by dividing the number of positive mosquitoes by the number tested for each county
  2. **Overall prevalence was determined by dividing the total number of positive mosquitoes by the total number of mosquitoes tested each year
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Virology Journal

ISSN: 1743-422X