| Arbovirus Test Results for Virginia, 2007 |
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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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| Humans
- Arbovirus Cases in Virginia for 2007 (updated October
4, 2007) |
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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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| Arlington
County |
WNV |
1 |
Confirmed |
24-Aug-07 |
24-Aug-07 |
0 |
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| Fairfax
County |
WNV |
1 |
Confirmed |
26-Jun-07 |
26-Jun-07 |
0 |
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| Richmond |
WNV |
1 |
Probable |
11-Aug-07 |
11-Aug-07 |
0 |
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| Wild
Birds - Arbovirus Cases in Virginia for 2007 (updated
August 6, 2007) |
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| Wild birds will not be
collected or tested for West Nile virus in 2007 |
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| Horses
- Arbovirus Cases in Virginia (WNV and EEE) for 2007
(updated November 13, 2007) |
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| Location
Collected by County or City |
Arbovirus |
Number of Horses Positive |
Recovered/ Recovering,
Euthanized, or Died |
Illness Onset Date of First
Horse |
Illness Onset Date of Last Horse |
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| Rockingham
County |
WNV |
1 |
Recovered |
23-Jun-07 |
23-Jun-07 |
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| Suffolk
City |
EEE |
2 |
Both Euthanized |
24-Jun-07 |
04-Aug-07 |
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| Surry
County |
EEE |
1 |
Euthanized |
01-Sep-07 |
01-Sep-07 |
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| Mosquito
Pools - Arbovirus Cases in Virginia (WNV and EEE) for 2007
(updated October 4, 2007) |
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| Location
Collected by County or City |
Arbovirus |
Positive Pools |
Mosquito Species |
Date First Pool Collected |
Date Last Pool Collected |
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| Chesapeake
City |
EEE |
12 |
Cs. melanura |
27-Jun-07 |
21-Sep-07 |
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| Suffolk
City |
EEE |
1 |
Cq. perturbans |
19-Jul-07 |
19-Jul-07 |
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| Suffolk
City |
EEE |
5 |
Cs. melanura |
19-Jul-07 |
11-Sep-07 |
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| Suffolk
City |
EEE |
1 |
Cx. erraticus |
07-Aug-07 |
07-Aug-07 |
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| Virginia
Beach City |
EEE |
1 |
Cs. melanura |
06-Aug-07 |
06-Aug-07 |
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| Total EEE Positive Mosquito Pools |
20 |
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| Alexandria
City |
WNV |
3 |
Ae. albopictus |
14-Aug-07 |
11-Oct-07 |
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| Alexandria
City |
WNV |
29 |
Cx. pipiens/restuans |
25-Jul-07 |
04-Oct-07 |
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| Arlington
County |
WNV |
4 |
Ae. albopictus |
05-Sep-07 |
03-Oct-07 |
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| Arlington
County |
WNV |
39 |
Cx. pipiens |
18-Jul-07 |
11-Oct-07 |
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| Arlington
County |
WNV |
18 |
Cx. restuans |
18-Jul-07 |
03-Oct-07 |
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| Chesapeake
City |
WNV |
1 |
Cs. Melanura |
19-Jul-07 |
19-Jul-07 |
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| Fairfax
County |
WNV |
10 |
Ae. albopictus |
08-Aug-07 |
03-Oct-07 |
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| Fairfax
County |
WNV |
9 |
Ae. vexans |
08-Aug-07 |
14-Sep-07 |
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| Fairfax
County |
WNV |
1 |
An. punctipennis |
10-Oct-07 |
10-Oct-07 |
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| Fairfax
County |
WNV |
1 |
Cx. erraticus |
22-Aug-07 |
22-Aug-07 |
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| Fairfax
County |
WNV |
383 |
Cx. pipiens |
03-Jul-07 |
17-Oct-07 |
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| Fairfax
County |
WNV |
59 |
Cx. restuans |
08-May-07 |
17-Oct-07 |
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| Fairfax
County |
WNV |
6 |
Cx. pipiens/restuans |
07-Aug-07 |
19-Oct-07 |
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| Henrico
County |
WNV |
32 |
Cx. pipiens/restuans |
03-Aug-07 |
09-Oct-07 |
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| Loudoun
County |
WNV |
1 |
Cx. pipiens/restuans |
18-Sep-07 |
18-Sep-07 |
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| Prince
William County |
WNV |
3 |
Ae. albopictus |
19-Jul-07 |
15-Aug-07 |
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| Prince
William County |
WNV |
52 |
Cx. pipiens/restuans |
28-Jun-07 |
02-Oct-07 |
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| Richmond
City |
WNV |
3 |
Ae. albopictus |
27-Jul-07 |
18-Oct-07 |
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| Richmond
City |
WNV |
113 |
Cx. pipiens/restuans |
13-Jul-07 |
18-Oct-07 |
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| Virginia
Beach |
WNV |
1 |
Cx. pipiens/restuans |
04-Sep-07 |
04-Sep-07 |
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| Total WNV Positive Mosquito Pools |
768 |
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| Sentinel
Chicken - Arbovirus Cases in Virginia (WNV and EEE) for 2007 (updated September 14, 2007) |
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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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| Chesapeake
City |
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5 |
8 |
02-Jul-07 |
06-Aug-07 |
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| Suffolk
City |
EEE |
3 |
4 |
25-Jun-07 |
23-Jul-07 |
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| Virginia
Beach |
EEE |
1 |
1 |
13-Aug-07 |
13-Aug-07 |
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| Virginia
Beach |
WNV |
1 |
1 |
20-Aug-07 |
20-Aug-07 |
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| Other
Mammals - West Nile Virus Cases in Virginia for 2007 (updated
August 6, 2007) |
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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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