West Nile Virus: 2006 Surveillance Map

Wisconsin
counties with West Nile virus activity in 2006
As of November 8, 2006, there are 61 counties in Wisconsin
reporting West Nile virus activity.
Note: A red dot indicates that one or more birds have
tested positive for West
Nile virus in that particular county. A green dot indicates
that one or more cases of West Nile virus infection have been found in
horses in that particular county. A yellow dot indicates that one
or more cases of West Nile virus infection in humans have been reported
in that particular county.
Surveillance Maps for: 2005
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Last Revised: November 04, 2008
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