Humans- Arbovirus Cases in Virginia for 2012

Arboviruses:
WNV – West Nile Virus
EEE – Eastern Equine Encephalitis
TBE – European Tick-Borne Encephaltis
DEN – Dengue Fever
SLE – St. Louis Encephalitis
POW – Powassan Virus
CHIK – Chikungunya Virus

Location by County/City or Health District

Arbovirus

Number of Cases

Case Status

Illness Onset Date of First Case

Illness Onset Date of Most Recent Case

Deaths

Imported

Albemarle County

WNV

1

Confirmed

09/02/2012

09/02/2012

 

Texas

Alexandria City

WNV

1

Confirmed

08/11/2012

08/11/2012

 

 

Arlington County

WNV

2

Confirmed-1
Probable-1

08/20/2012

08/25/2012

 

Colorado

Chesapeake City

WNV

1

Confirmed

09/24/2012

09/24/2012

1

 

Chesterfield County

WNV

2

Confirmed-1 Probable-1

08/04/2012

08/06/2012

 

 

Fairfax County

WNV

8

Confirmed-5 Probable-3
Donor-1*

08/11/2012

10/01/2012

1

Illinois-1

Fauquier County

WNV

1

Confirmed

08/06/2012

08/06/2012

 

 

Frederick County

WNV

2

Confirmed-2

08/25/2012

09/24/2012

 

 

Greene County

WNV

1

Confirmed

08/27/2012

08/27/2012

1

 

Hampton City

WNV

1

Confirmed

10/22/2012

10/22/2012

 

 

Lynchburg

WNV

0

Donor-1*

NA

NA

 

 

Newport News City

WNV

1

Confirmed

08/22/2012

08/22/2012

 

 

Norfolk City

WNV

1

Confirmed

10/17/2012

10/17/2012

 

 

Portsmouth City

WNV

1

Confirmed

09/16/2012

09/16/2012

 

 

Prince William County

WNV

1

Confirmed

08/01/2012

08/01/2012

 

 

Roanoke City

WNV

1

Confirmed

07/18/2012

07/18/2012

 

 

Rockingham County

WNV

2

Confirmed-2
Donor-1*

07/13/2012

09/17/2012

 

 

Spotsylvania County

WNV

1

Confirmed

07/22/2012

07/22/2012

 

North Dakota

 

 

 

 

 

 

 

 

Warren County

WNV

1

Confirmed

09/13/2012

09/13/2012

 

 

Winchester City

WNV

1

Confirmed

07/22/2012

07/22/2012

1

 

 

Total Cases WNV

30

 

 

 

 

 

 

 

 

 

 

 

 

 

Wise

LAC

2

Probable-2

08/14/2012

09/22/2012

 

 

 

 

 

 

 

 

 

 

Portsmouth City

EEE

1

Probable

07/28/2012

07/28/2012

 

 

 

 

 

 

 

 

 

 

Fairfax County

TBE

1

Confirmed

08/29/2012

08/29/2012

 

Czech Republic

 

 

 

 

 

 

 

 

Albemarle County

DEN

1

Probable

07/08/2012

07/08/2012

 

Haiti

Alexandria City

DEN

1

Confirmed

08/23/2012

08/23/2012

 

Haiti

Culpeper

DEN

1

Probable

10/13/2012

10/13/2012

 

Honduras

Fairfax County

DEN

6

Probable-6

01/25/2012

12/18/2012

 

Thailand-1
El Salvador-1
Jamaica-1
Bangladash-1
Honduras-2

Madison County

DEN

1

Probable

08/23/2012

08/23/2012

 

Haiti

Manassas County

DEN

1

Probable

08/14/2012

08/14/2012

 

El Salvador

Norfolk City

DEN

1

Probable

12/07/2012

12/07/2012

 

Dominion Republic

Orange County

DEN

1

Probable

11/09/2012

11/09/2012

 

Jamaica

Rockbridge County

DEN

1

Probable

12/27/2012

12/27/2012

 

Puerto Rico

Rockingham County

DEN

1

Probable

07/07/2012

07/07/2012

 

China/India/Thailand

Virginia Beach City

DEN

2

Probable-2

07/19/2012

12/02/2012

 

Guatamala-1
Jamaica-1

 

Total Cases DEN

17

 

 

 

 

 

*Three blood donors tested positive for West Nile Virus in 2012.  Only one of the donors became symptomatic and was confirmed as a West Nile Virus case.

Equines and Other Mammals- Arbovirus Cases in Virginia (WNV and EEE) for 2012


Location by County/City or Health District

Arbovirus

Species

Number Positive

Recovered/Recovering/ Euthanized/Died

Illness Onset Date of First Animal

Illness Onset Date of Last Animal

Loudon County

WNV

Equine

1

Euthanized

9/11/2012

09/11/2012

 

Arboviral Infections in Sentinel Chickens in Virginia for 2012; samples tested for WNV and EEE


Location by County/City or Health District

Total Positive Chickens
EEE

Total Positive
Flocks
EEE

Total Positive Chickens WNV

Total Positive Flocks WNV

Date First Sample Collected
EEE

Date Last Sample Collected
EEE

Date First Sample Collected
WNV

Date Last Sample  Collected
WNV

Chesapeake

20

10

14

5

6/18/2012

10/15/2012

7/9/2012

9/24/2012

Norfolk

1

1

4

3

9/10/2012

9/10/2012

7/16/2012

9/24/2012

Suffolk

15

10

13

6

06/18/2012

10/01/2012

7/16/2012

9/17/2012

Virginia Beach

4

4

 

 

7/9/2012

7/23/2012

 

 

Total Positives

40

25

31

14

 

 

 

 

 

Other Animals- West Nile Virus Cases in Virginia for 2012


Location by County/City or Health District

Arbovirus

Species

Number Positive

Recovered/Recovering/ Euthanized/Died

Illness Onset Date of First Animal

Illness Onset Date of Last Animal

None Reported

 

 

 

 

 

 

 

Arboviral Infections in Mosquitoes in Virginia, 2012; pooled mosquitoes tested for WNV and/or EEE


Location by County/City or Health District

Arbovirus
EEE Positive

Arbovirus
WNV Positive

Mosquito Species

EEE
Date First Pool Collected

EEE
Date Last Pool Collected

WNV
Date First Pool Collected

WNV
Date Last Pool Collected

Alexandria City*

 

22

Cx.pipiens/restuans

 

 

6/26/2012

10/2/2012

Chesapeake City

58

6

Cs. melanura

6/6/2012

10/16/2012

6/27/2012

9/18/2012

Fairfax County*

 

245

Cx.pipiens/restuans

 

 

5/31/2012

10/10/2012

 

3

Cx. species

 

 

7/4/2012

9/5/2012

 

1

Cx. erraticus

 

 

8/23/2012

8/23/2012

Henrico County*

 

10

Cx.pipiens/restuans

 

 

7/26/2012

9/6/2012

 

1

Ae. albopictus

 

 

8/10/2012

8/10/2012

 

1

Cx. salinarius

 

 

9/11/2012

9/11/2012

Prince William County*

 

86

Cx.pipiens/restuans

 

 

6/7/2012

9/21/2012

Suffolk

89

12

Cs. melanura

6/5/2012

8/22/2012

6/15/2012

8/29/2012

 

7

Cx.pipiens/restuans

 

 

6/13/2012

9/6/2012

Virginia Beach

5

 

Cs. melanura

7/9/2012

7/9/2013

 

 

 

6

Cx.pipiens/restuans

 

 

8/13/2012

10/02/2012

Total Positives

152

400

 

 

 

 

 

*Jurisdiction does not test for EEE