Maps and Data

Maps

2007 Year to Date West Nile Virus Activity.....................................Click Here

2006 Year to Date West Nile Virus Activity.....................................Click Here

2005 Year to Date West Nile Virus Activity.....................................Click Here

2004 West Nile Virus Activity..........................................................Click Here

2003 West Nile Virus Activity..........................................................Click Here

Graphs

Comparative Line Graphs of West Nile Virus Activity in 2004, 2005, 2006, and 2007:

(The graphs will be updated every Tuesday by 4:00 p.m.)

Printable Version (pdf)......................................................................Click Here

Data

2007 | 2006 | 2005 | 2004

2007 West Nile Virus Activity by County..........................................Click Here

Dead Birds Reported, Tested, and Positive for WNV
by County in California in 2007.......................................................Click Here

2007 West Nile Virus Positive Dead Birds by City
Summary Table...............................................................................Click Here

Species of Dead Birds that Tested Positive for WNV in 2007..........Click Here

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2006 West Nile Virus Activity by County..........................................Click Here

2006 Human WNV Case Linelist......................................................Click Here

Dead Birds Reported, Tested, and Positive for WNV
by County in California in 2006.......................................................Click Here

2006 West Nile Virus Positive Dead Birds by City
Summary Table...............................................................................Click Here

Species of Dead Birds that Tested Positive for WNV in 2006..........Click Here

Mosquito Pool Summary by Month..................................................Click Here

Mosquito Pool Summary by Species................................................Click Here

Chicken Seroconversions by Month................................................Click Here

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2005 West Nile Virus Activity by County..........................................Click Here

2005 Summary Table of Human Infections......................................Click Here

Incidence per 100,000 population in CA Counties, 2005................Click Here

Dead Birds Reported, Tested, and Positive for WNV
by County in California in 2005.......................................................Click Here

2005 West Nile Virus Positive Dead Birds by City
Summary Table...............................................................................Click Here

Species of Dead Birds that Tested Positive for WNV in 2005..........Click Here

Mosquito Pool Summary by Month..................................................Click Here

Mosquito Pool Summary by Species................................................Click Here

Chicken Seroconversions by Month................................................Click Here

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2004 West Nile Virus in California Summary Page...........................Click Here

2004 West Nile Virus Activity by County..........................................Click Here

2004 Summary Table of Human Infections......................................Click Here

Incidence per 100,000 population in CA Counties, 2004................Click Here

2004 Positive Dead Birds - Cities - Summary Table.........................Click Here

2004 Positive Dead Birds - Species - Summary Table......................Click Here

2004 Sentinel Chicken Seroconversion Summary Table..................Click Here

2004 Mosquito Pool* Summary Table.............................................Click Here

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* A mosquito pool is a collection of approximately 50 mosquitoes that are tested together.