Case Counts by County

CountyDead birds
Alameda-
Alpine-
Amador-
Butte-
Calaveras-
Colusa-
Contra Costa-
Del Norte-
El Dorado-
Fresno-
Glenn-
Humboldt-
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles1
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange-
Placer-
Plumas-
Riverside-
Sacramento-
San Benito-
San Bernardino-
San Diego-
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba1
Total2

WNV Activity by County
Printable Version
2013 | 2012 | 2011 | 2010
2009 | 2008 | 2007

Weekly Reports

2013 YTD WNV Activity Map
Arbovirus Bulletin #10
Arbovirus Bulletin #9
Arbovirus Bulletin #8
Arbovirus Bulletin #7
Arbovirus Bulletin #6
Arbovirus Bulletin #5
Arbovirus Bulletin #4
Arbovirus Bulletin #3
Arbovirus Bulletin #2
- view full list of Weekly Reports -

Humans

2012 Human WNV Case Linelist
2003-2012 WNV Case Summary
2012 Human WNV Incidence Report
2003-2011 WNV Case Summary by County
2011 Human WNV Case Linelist
2011 Human WNV Incidence Report
2010 Human WNV Case Linelist
2010 Human WNV Incidence Report
2009 Summary Table of Human Infection
2009 Human WNV Case Linelist
- view full list of Humans -

Dead Birds

Positive Counts by City/County for 2013
Positive Species for 2013
Reported, Tested, Positive 2013 YTD
Positive Species for 2012
Reported, Tested, Positive 2012
Positive Counts by City/County for 2012
Positive Species for 2011
Reported, Tested, Positive 2011 YTD
Positive Counts by City/County for 2011
Positive Counts by City/County for 2010
- view full list of Dead Birds -

Mosquitoes

AMOR - NJLT Week 19
AMOR - NJLT 5 Year Average Week 19
AMOR - EVS Week 19
AMOR - GRAVID Week 19
AMOR - GRAVID Week 18
AMOR - EVS Week 18
AMOR - NJLT 5 Year Average Week 18
AMOR - NJLT Week 18
AMOR - NJLT Week 17
AMOR - EVS Week 17
- view full list of Mosquitoes -

Sentinel Chickens

Submission Data for 2/9/09 - 2/13/09
Submission Data for 12/8/08 - 12/12/08
Submission Data for 11/17/08 - 11/21/08
Submission Data for 11/10/08 - 11/14/08
Submission Data for 11/3/08 - 11/7/08
Submission Data for 10/27/08 - 10/31/08
Submission Data for 10/20/08 - 10/24/08
Submission Data for 10/13/08 - 10/17/08
Submission Data for 10/6/08 - 10/10/08
Submission Data for 9/29/08 - 10/3/08
- view full list of Sentinel Chickens -

Horses

2010 Confirmed Equine Cases Report
2010 Equine WNV Result Map
2009 Equine WNV Result Map
2009 Confirmed Equine Cases
2008 Confirmed Equine Cases
2007 Equine WNV Result Map

Reports and Analyses

Summary of WNV-Positive Surveillance Elements in CA 2006
2009 WNV Activity by County
2010 West Nile virus Activity in California
2011 West Nile virus Activity in California
Total WNND cases by year 1999-2010
Reported WNV Disease Cases in Humans
2008 WNV Activity by County
2008 WNV Activity Map
Comparative Line Graphs of West Nile Virus Activity 2004-2008
Arbovirus Bulletin #37
- view full list of Reports and Analyses -

Locate Your Local Mosquito and Vector Control Agency
Search by Zip Code

Compared to 2012 YTD

As of May 16, 201320122013
Counties64
Human cases00
Horses00
Dead birds122
Mosquito samples12
Sentinel chickens00
Squirrels00
2012 YTD - Year to date corresponds to the same time last year.

- view all 2012 YTD activity -

WNV Reports

Weekly Report

05.16 2013 YTD WNV Activity Map
05.10 Arbovirus Bulletin #10
05.03 Arbovirus Bulletin #9

Humans

04.26 2012 Human WNV Case Linelist
04.26 2003-2012 WNV Case Summary
03.18 2012 Human WNV Incidence Report

Dead Birds

05.17Positive Species for 2013
05.17Positive Counts by City/County for 2013
05.17Reported, Tested, Positive 2013 YTD

Mosquitoes

05.17 AMOR - EVS Week 19
05.17 AMOR - GRAVID Week 19
05.17 AMOR - NJLT Week 19

Horses

12.16 2010 Equine WNV Result Map
12.16 2010 Confirmed Equine Cases Report
05.26 2009 Equine WNV Result Map
- view report archives -