| Arbovirus Test Results for Virginia, 2011 |
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| Arboviruses |
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| WNV –
West Nile Virus |
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| LAC – La
Crosse Encephalitis |
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| EEE – Eastern Equine Encephalitis |
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| SLE – St. Louis Encephalitis virus |
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| POW - Powassan
Virus |
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| CHIK - Chikungunya
Virus |
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| Humans
- Arbovirus Cases in Virginia for 2011 |
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| 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 |
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| Richmond
City |
WNV |
2 |
Confirmed |
7/3/2011 |
8/13/2011 |
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| Roanoke
City |
WNV |
1 |
Confirmed |
7/25/2011 |
7/25/2011 |
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| Roanoke
County |
WNV |
1 |
Confirmed |
8/13/2011 |
8/13/2011 |
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| Augusta
County |
WNV |
1 |
Probable |
8/3/2011 |
8/3/2011 |
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| Rockingham
County |
WNV |
1 |
Probable |
9/2/2011 |
9/2/2011 |
1 |
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| Prince
William County |
WNV |
1 |
Confirmed |
8/18/2011 |
8/18/2011 |
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| Fairfax
County |
WNV |
1 |
Probable |
8/31/2011 |
8/31/2011 |
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| Arlington
County |
WNV |
1 |
Probable |
8/30/2011 |
8/30/2011 |
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| Equines and Other
Mammals- Arbovirus Cases in Virginia (WNV and EEE) for 2011 |
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| Location
Collected by County or City |
Arbovirus |
Species |
Number Positive |
Recovered/ Recovering,
Euthanized, or Died |
Illness Onset Date of First
Animal |
Illness Onset Date of Last Animal |
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| Clarke
County |
WNV |
Equine |
1 |
Euthenized |
30-Aug-11 |
30-Aug-11 |
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| Mosquito
Pools - Arbovirus Cases in Virginia (WNV and EEE) for 2011 |
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| Expr1 |
Expr2 |
Expr3 |
Expr4 |
MinOfCollection Date |
MaxOfCollection Date |
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| Alexandria |
WNV |
23 |
Cx. pip. |
11-Jul-11 |
06-Sep-11 |
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| Alexandria |
WNV |
12 |
Cx.
pip./res. |
01-Aug-11 |
12-Sep-11 |
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| Fairfax Co. |
WNV |
2 |
Cx.
err. |
02-Aug-11 |
02-Aug-11 |
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| Fairfax Co. |
WNV |
114 |
Cx.
pip./res. |
06-Jul-11 |
11-Oct-11 |
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| Fairfax Co. |
WNV |
10 |
Cx.
sp. |
19-Jul-11 |
22-Sep-11 |
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| Henrico Co. |
WNV |
2 |
Ae.
albo. |
09-Aug-11 |
15-Sep-11 |
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| Henrico Co. |
WNV |
25 |
Cx.
pip./res. |
13-Jul-11 |
05-Oct-11 |
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| Prince William Co. |
WNV |
12 |
Cx.
pip./res. |
08-Jul-11 |
15-Sep-11 |
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| Virginia Beach |
WNV |
8 |
Cx.
pip./res. |
22-Jun-11 |
13-Sep-11 |
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| Suffolk |
EEE |
1 |
Cs. mel |
28-Oct-11 |
28-Oct-11 |
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Total |
209 |
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| Sentinel Chicken -
Arbovirus Cases in Virginia (WNV and EEE) for 2011 |
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| Location
Collected by County or City |
Arbovirus |
Total Positive Flocks |
Total Positive Chickens |
Date First Collected |
Date Last Collected |
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| Suffolk |
EEE |
2 |
3 |
18-Jul-11 |
29-Aug-11 |
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| Virginia
Beach |
EEE |
3 |
4 |
15-Aug-11 |
26-Sep-11 |
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| Chesapeake |
EEE |
1 |
2 |
22-Aug-11 |
19-Sep-11 |
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| Norfolk |
WNV |
1 |
1 |
18-Jul-11 |
18-Jul-11 |
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WNV |
3 |
3 |
08-Aug-11 |
10-Oct-11 |
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| Other Animals - West
Nile Virus Cases in Virginia for 2011 |
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| Location
Collected by County or City |
Species Affected |
Recovered/ Recovering, Euthanized
or Died |
Onset Date of First Case |
Onset Date of Last Case |
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| None
reported |
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