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.
- West Nile Virus World Distribution - CDC, 2000
- CDC West Nile Virus in the United States
- West Nile Virus Maps from the USGS and the National Atlas
- Human West Nile Virus Cases
- Veterinary West Nile Virus Cases
- Wild Bird West Nile Virus Cases
- Sentinal Flock West Nile Virus Surveillance Data
- Mosquito West Nile Virus Surveillance Data
- West Nile Virus Maps of New York
- West Nile Virus Maps of Florida
- USDA - States with an Equine Case(s), 1999-2006
- USDA - 2006 Equine Maps
- Geographical Information Services (GIS)
- NASA Researchers Developing Tools to Help Track and Predict West Nile Virus. Nasa News Archive, October 8, 2002.
CDC West Nile Virus in the United States, Maps
- 2006: West Nile Virus Activity in the United States
- 2005: West Nile Virus Activity in the United States
- 2004: West Nile Virus Activity in the United States
- 2003: West Nile Virus Activity in the United States
- 2002: West Nile Virus Activity in the United States
- 2001: West Nile Virus Activity in the United States
- 2000: West Nile Virus Activity in the United States
- 1999: West Nile Virus Activity in the United States
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
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
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
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
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
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
West Nile Virus Maps of New York:
- New York State West Nile Virus Positive Test Results for 01/01/2006-12/31/2006
- New York State West Nile Virus Positive Test Results for 01/01/2005-12/31/2005
- New York State West Nile Virus Positive Test Results for 01/01/2004-12/03/2004
- New York State West Nile Virus Positive Test Results for 01/01/2003-12/31/2003
- New York State West Nile Virus Positive Test Results for 01/01/2002-12/31/2002
- New York State West Nile Virus Positive Test Results for 01/01/2002-12/31/2002
- New York State West Nile Virus Positive Test Results for 01/01/2001-12/31/2001
- New York State West Nile Virus Positive Test Results for 01/01/2000-12/31/2000
Geographical Information Systems (GIS) and West Nile Virus:
- Outbreak Alerts from Space, March 12, 2004
- Identifying West Nile Virus Risk Areas: The Dynamic Continuous-Area Space-Time System. Am J Epidemiol 2003; 157:843-854.
- West Nile Virus: Monitoring, Modeling, & Remediation: A GIS Perspective - January 22, 2003 Live Web Cast sponsored by LinksPoint
- Preemptive Response to West Nile Virus in New York City - LinksPoint, Case Solutions
- Tracking Disease with GIS - ESRI
- Pennsylvania's West Nile Virus Surveillance System gets an assist from NASA data - Goddard Space Flight Center, October 22, 2002
