| Arbovirus Test Results for Virginia, 2009 |
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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 2009 (updated Nov 8,
2010) |
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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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| Rockingham |
WNV |
1 |
Confirmed |
9/18/09 |
9/18/09 |
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| Madison |
WNV |
1 |
Confirmed |
8/21/09 |
8/21/09 |
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| Fairfax |
WNV |
1 |
Confirmed |
9/9/09 |
9/9/09 |
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| Alexandria |
WNV |
1 |
Confirmed |
8/14/09 |
8/14/10 |
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| Manassas
Park City |
WNV |
1 |
Confirmed |
8/28/09 |
8/28/09 |
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| Richmond
City |
CHIK |
1 |
Confirmed |
7/11/09 |
7/11/09 |
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| Wise |
LAC |
1 |
Confirmed |
9/4/09 |
9/4/09 |
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| Fairfax |
POW |
1 |
Confirmed |
11/23/09 |
11/23/09 |
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| Wild
and Captive Birds - Arbovirus Cases in Virginia for 2009
(updated Mar 8, 2010) |
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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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| Chesapeake |
EEE |
Emu |
1 |
Died |
7/25/2009 |
7/25/2009 |
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| Norfolk |
EEE |
Fairy Bluebird |
1 |
Died |
8/3/2009 |
8/3/2009 |
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| Wild birds will not be collected or tested
for West Nile virus in 2009 |
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| Equines
and Other Mammals- Arbovirus Cases in Virginia (WNV and EEE) for 2009 (updated Mar 8, 2010) |
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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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| Chesapeake |
EEE |
Horse |
3 |
Euthanized |
7/2/09 |
7/31/09 |
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| Chesapeake |
EEE |
Goat |
1 |
Euthanized |
7/22/09 |
7/22/09 |
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| Suffolk |
EEE |
Horse |
3 |
Euthanized |
7/27/09 |
9/26/09 |
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| Prince George |
EEE |
Horse |
1 |
Euthanized |
8/4/09 |
8/4/09 |
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| Southampton |
EEE |
Horse |
1 |
Died |
8/1/09 |
8/1/09 |
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| Surry |
EEE |
Alpaca |
1 |
Recovering |
7/24/09 |
7/24/09 |
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| New Kent |
EEE |
Horse |
1 |
Euthanized |
9/7/09 |
9/7/09 |
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| Pittsylvania |
WNV |
Horse |
1 |
Euthanized |
8/17/09 |
8/17/09 |
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| Augusta |
WNV |
Horse |
1 |
Recovering |
9/3/09 |
9/3/09 |
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| New Kent |
WNV |
Horse |
1 |
Euthanized |
9/12/09 |
9/12/09 |
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| Mosquito
Pools - Arbovirus Cases in Virginia (WNV and EEE) for 2009
(updated Mar 8, 2010) |
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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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| Alexandria |
WNV |
1 |
Cx. pip./res. |
8/4/09 |
8/4/09 |
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| Chesapeake |
WNV |
3 |
Cs. mel. |
8/6/09 |
10/6/09 |
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| Fairfax Co. |
WNV |
1 |
Ae. albo. |
9/3/09 |
9/3/09 |
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| Fairfax Co. |
WNV |
84 |
Cx. pip./res. |
6/23/09 |
9/24/09 |
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| Fairfax Co. |
WNV |
3 |
Cx. sp. |
7/29/09 |
8/5/09 |
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| Fairfax Co. |
WNV |
1 |
Oc. tris. |
7/9/09 |
7/9/09 |
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| Loudoun
Co. |
WNV |
12 |
Cx. pip./res. |
8/11/09 |
9/8/09 |
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| Prince
William Co. |
WNV |
3 |
Cx. pip./res. |
9/11/09 |
9/22/09 |
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| Suffolk |
WNV |
2 |
Cs. mel. |
8/18/09 |
9/1/09 |
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| Suffolk |
WNV |
4 |
Cx. pip./res. |
8/4/09 |
9/23/09 |
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| VA
Beach |
WNV |
5 |
Cx. pip./res. |
8/3/09 |
8/18/09 |
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| Total WNV Positive Mosquito Pools |
119 |
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| Chesapeake |
EEE |
49 |
Cs. mel. |
6/25/09 |
9/29/09 |
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| Chesapeake |
EEE |
1 |
Oc. cana. |
8/4/09 |
8/4/09 |
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| Newport
News |
EEE |
1 |
Cs. mel. |
8/12/09 |
8/12/09 |
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| Norfolk |
EEE |
1 |
Cs. mel. |
7/2/09 |
7/2/09 |
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| Portsmouth |
EEE |
1 |
Cs. mel. |
7/21/09 |
7/21/09 |
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| Suffolk |
EEE |
80 |
Cs. mel. |
6/16/09 |
9/29/09 |
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| Suffolk |
EEE |
1 |
Cx. pip./res. |
7/16/09 |
7/16/09 |
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| Suffolk |
EEE |
1 |
Cx. sal. |
6/25/09 |
6/25/09 |
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| VA
Beach |
EEE |
6 |
Cs. mel. |
7/20/09 |
7/28/09 |
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| Total EEE Positive Mosquito Pools |
141 |
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| Sentinel
Chicken - Arbovirus Cases in Virginia (WNV and EEE) for 2009 (updated Mar 8, 2010) |
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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 |
EEE |
11 |
29 |
6/29/09 |
8/24/09 |
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| Hampton |
EEE |
3 |
3 |
7/6/09 |
7/20/09 |
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| Norfolk |
EEE |
2 |
3 |
7/13/09 |
8/24/09 |
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| Suffolk |
EEE |
8 |
14 |
6/22/09 |
8/24/09 |
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| Virginia
Beach |
EEE |
5 |
13 |
6/1/09 |
7/13/09 |
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| Suffolk |
WNV |
2 |
3 |
7/20/09 |
7/20/09 |
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| Chesapeake |
WNV |
7 |
11 |
8/17/09 |
8/24/09 |
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| Virginia
Beach |
WNV |
1 |
1 |
10/5/09 |
10/5/09 |
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| Other
Animals - West Nile Virus Cases in Virginia for 2009 (updated
Mar 8, 2010) |
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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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