CDC West Nile Virus Homepage

	West Nile Virus Basics

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	·	Maps & Human Cases
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	·	In the News
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	·	Related Links
	·	State & Local Government Sites
	·	Guidelines for Surveillance, Prevention, & Control PDF (254 KB/77 pages)

Helpful Tips

West Nile virus is spread by infected mosquitoes, and can cause serious, life-altering and even fatal disease. Virus transmission may occur in parts of the country where mosquitoes are still active.

Learn more...

2008 WNV activity map

•	2008 Human disease cases reported to CDC
•	2007 Human disease cases reported to CDC
•	Reported 2008 neuroinvasive disease incidence map
•	Reported 2008 viremic blood donors
•	National & state maps (including county-level data) On U.S. Geological Survey site. In collaboration with CDC & ArboNET surveillance system.


2007 WNV activity map	2006 WNV activity map	2005 WNV activity map

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Don't get the flu. Don't spread the flu. Get Vaccinated. www.cdc.gov/flu

NEWS & HIGHLIGHTS

New!	Update on WNV false-positive test results
·	Save The Date! West Nile Virus National Conference February 19-20, 2009 Marriott Savannah Riverfront, Savannah Georgia
·	Before the Swarm: Guidelines for the Emergency Management of Mosquito-borne Disease Outbreaks Download PDF version formatted for print PDF(3MB/30pages)
·	Information on insect repellents
·	How do I choose an Insect Repellent? PDF (1.5MB/1page) 11X17 size PDF(2MB/1page)
·	For Transplant Patients PDF (2MB/2pages)
·	Community Education Tools
·	Public Health Confronts the Mosquito: Sustainable State & Local Mosquito Control
·	Interim Guidance for States Conducting Avian Mortality Surveillance for West Nile Virus (WNV) and/or Highly Pathogenic H5N1 Avian Influenza Virus PDF(39 KB, 3 pages)



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