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 |
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 |
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 |
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 |
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 |
|
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 |
Total Positive |
Total Positive Chickens WNV |
Total Positive Flocks WNV |
Date First Sample Collected |
Date Last Sample Collected |
Date First Sample Collected |
Date Last Sample Collected |
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 |
Arbovirus |
Mosquito Species |
EEE |
EEE |
WNV |
WNV |
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