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2009 West Nile Virus Activity

2009 West Nile Virus Surveillance Map

Statistics


 

West Nile Virus-Positive Cases in Washington, 2009
County Human Horse/ Other
Mammal
Bird

Mosquito
Sample

Adam 0 2 0 3
Benton 9 23 7 128
Franklin 0 3 2 45
Grant 1 11 0 10
Grays Harbor 0 0 1 0
King* 1 0 2 0
Kittitas 0 16 2 2
Klickitat 2 0 0 3
Lewis 0 0 1 0
Mason 0 0 1 0
Pierce 0 0 1 0
Spokane* 2 0 1 0
Walla Walla 0 0 4 1
Whatcom* 1 0 0 0
Whitman 1 0 0 0
Yakima 21 18 0 154
Totals 38 73 22 364

 

Table represents cases of West Nile virus acquired in the state. Human cases are listed by county of residence.

2 blood donors, not listed in this table were detected. One resides in Benton County and the other in Yakima County.

*Note: One patient resides in Whatcom County, but was exposed to the virus while traveling in eastern Washington. One patient resides in Spokane County and one in King County, but were likely exposed while in Yakima County.

West Nile virus surveillance maps and statistics for additional years:

2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015