National Pesticide Information Center - West Nile Virus Maps and Statistics

West Nile Virus Maps and Statistics

Choose from the selections below to view the geographical distribution of West Nile virus (WNV). If you would like to see a WNV map posted below that is currently not listed, please fill out this comments form and tell us about it.

CDC West Nile Virus in the United States, Maps

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West Nile Virus Maps from the National Atlas:

West Nile Virus Maps, 2007 - Select from available USGS West Nile virus maps
West Nile Virus Maps, 2006 - Select from available USGS West Nile virus maps
West Nile Virus Maps, 2005 - Select from available USGS West Nile virus maps
West Nile Virus Maps, 2004 - Select from available USGS West Nile virus maps
West Nile Virus Maps, 2003 - Select from available USGS West Nile virus maps
West Nile Virus Maps, 2002 - Select from available USGS West Nile virus maps
West Nile Virus Maps, 2001 - Select from available USGS West Nile virus maps
West Nile Virus Maps, 2000 - Select from available USGS West Nile virus maps
Surveillance Area, 2000 - Surveillance areas are those that received funds to work with the CDC in surveillance of West Nile virus in 2000

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Human Cases

Map represents locations of submitted test samples and laboratory confirmed human cases of West Nile virus. Includes individual state maps of those collecting human data.

Human Cases, 2007 - Map represents 2007 data
Human Cases, 2006 - Map represents 2006 data as of May 01, 2007
Human Cases, 2005 - Map represents 2005 data as of May 05, 2006
Human Cases, 2004 - Map represents 2004 data as of January 11, 2005
Human Cases, 2003 - Map represents 2003 data as of May 21, 2004
Human Cases, 2002 - Map represents 2002 data as of January 17, 2003
Human Cases, 2001 - Map represents 2001 data as of March 04, 2002
Human Cases, 2000 - Map represents data from January 01, 2000 - December 08, 2000

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Veterinary Cases

Map represents locations of submitted test samples and laboratory confirmed veterinary cases of West Nile virus. Data may include pets, livestock, and wildlife (other that wild birds). Includes individual state maps of those collecting veterinary data.

Veterinary Cases, 2007 - Map represents 2007 data
Veterinary Cases, 2006 - Map represents 2006 data as of May 01, 2007
Veterinary Cases, 2005 - Map represents 2005 data as of May 05, 2006
Veterinary Cases, 2004 - Map represents 2004 data as of January 11, 2005
Veterinary Cases, 2003 - Map represents 2003 data as of May 21, 2004
Veterinary Cases, 2002 - Map represents 2002 data as of January 17, 2003
Veterinary Cases, 2001 - Map represents 2001 data as of March 04, 2002
Veterinary Cases, 2000 - Map represents data from January 01, 2000 - December 08, 2000

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Wild Bird Cases

Map represents the geographical distribution of submitted test samples and laboratory confirmed cases of West Nile virus infected wild birds. Includes individual state maps of those collecting wild bird data.

Wild Bird Cases, 2007 - Map represents 2007 data
Wild Bird Cases, 2006 - Map represents 2006 data as of May 01, 2007
Wild Bird Cases, 2005 - Map represents 2005 data as of May 05, 2006
Wild Bird Cases, 2004 - Map represents 2004 data as of January 11, 2005
Wild Bird Cases, 2003 - Map represents 2003 data as of May 21, 2004
Wild Bird Cases, 2002 - Map represents 2002 data as of January 17, 2003
Wild Bird Cases, 2001 - Map represents 2001 data as of March 04, 2002
Wild Bird Cases, 2000 - Map represents data from January 01, 2000 - December 08, 2000

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Sentinel Flock Surveillance Data

Sentinel chickens are flocks that serve as surveillance for West Nile virus. Data provided by local health officials reflects positive blood samples from sentinel chickens with antibodies to the virus. Includes individual state maps of those collecting sentinel flock data.

Sentinel Flock Surveillance Data, 2007 - Map represents 2007 data
Sentinel Flock Surveillance Data, 2006 - Map represents 2006 data as of May 01, 2007
Sentinel Flock Surveillance Data, 2005 - Map represents 2005 data as of May 05, 2006
Sentinel Flock Surveillance Data, 2004 - Map represents 2004 data as of January 11, 2005
Sentinel Flock Surveillance Data, 2003 - Map represents 2003 data as of May 21, 2004
Sentinel Flock Surveillance Data, 2002 - Map represents 2002 data as of January 17, 2003
Sentinel Flock Surveillance Data, 2001 - Map represents 2001 data as of March 04, 2002
Sentinel Flock Surveillance Data, 2000 - Map represents data from January 01, 2000 - December 08, 2000

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Mosquito Surveillance Data

Map represents the geographical distribution of West Nile virus positive mosquitoes and locations where samples have been submitted for laboratory testing. Mosquitoes are collected by state and local health agencies. Includes individual state maps of those collecting mosquito data.

Mosquito Surveillance Data, 2007 - Map represents 2007 data
Mosquito Surveillance Data, 2006 - Map represents 2006 data as of May 01, 2007
Mosquito Surveillance Data, 2005 - Map represents 2005 data as of May 05, 2006
Mosquito Surveillance Data, 2004 - Map represents 2004 data as of January 11, 2005
Mosquito Surveillance Data, 2003 - Map represents 2003 data as of May 21, 2004
Mosquito Surveillance Data, 2002 - Map represents 2002 data as of January 17, 2003
Mosquito Surveillance Data, 2001 - Map represents 2001 data as of March 04, 2002
Mosquito Surveillance Data, 2000 - Map represents data from January 01, 2000 - December 08, 2000

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West Nile Virus Maps of New York:

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Geographical Information Systems (GIS) and West Nile Virus:

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