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homepage > health department > environmental health > disease carrying insect program:

West Nile Virus & Lyme Disease Activity


Surveillance is a key components of the Disease Carrying Insects Program. Information on mosquitoes and ticks is gathered daily and analyzed on a weekly basis using a variety of sampling and analytical methods. The resulting data are presented here to enable the residents of the County to have access to this data.

West Nile Virus Activity

Year
WNV Cases in Humans
Trap Sites
Maps of Positive Pools
Infection Rate/Culex


2002
WNV cases
Sites
Arbovirus
Rates


2003
WNV cases
Sites
Arbovirus
Rates


2004
WNV cases
Sites
Arbovirus
Rates


2005
No Cases
Sites
Arbovirus
Rates


2006
WNV cases
Sites
Arbovirus
Rates


2007
WNV cases
Sites
Arbovirus
Rates


2008
WNV cases
Sites
Arbovirus
Rates


2009
WNV cases
Sites
Arbovirus
Rates


2010
WNV cases
Sites
Arbovirus
Rates


2011
WNV cases
Sites
Arbovirus
Rates


2012
WNV Cases
Sites
Arbovirus
Rates


Graphic of people and mosqitos
West Nile Virus Activity in Humans
o Distribution of human cases - 2002 - 2012
Culex mosquito graphic
West Nile Virus Activity in Culex Mosquitoes
 o WNV infection rates in Culex mosquitoes - 2004 - 2012

Lyme Disease Activity


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