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-
Lake3
Lassen-
Los Angeles2
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange-
Placer-
Plumas-
Riverside-
Sacramento-
San Benito-
San Bernardino-
San Diego-
San Francisco-
San Joaquin1
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara6
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total12

WNV Activity by County
Printable Version
2014 | 2013 | 2012
2011 | 2010 | 2009
2008 | 2007

Weekly Reports

Arbovirus Bulletin #9
2014 YTD WNV Activity Map
Arbovirus Bulletin #8
Arbovirus Bulletin #7
Arbovirus Bulletin #6
Arbovirus Bulletin #5
Arbovirus Bulletin #40
Arbovirus Bulletin #3
Arbovirus Bulletin #2
Arbovirus Bulletin #1
- view full list of Weekly Reports -

Humans

2003-2013 WNV Case Summary
2013 Human WNV Incidence Report
2012 Human WNV Surveillance Report
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 Human WNV Case Linelist
- view full list of Humans -

Dead Birds

Reported, Tested, Positive 2014
Positive Species for 2014
Positive Counts by City/County for 2014
Positive Counts by City/County for 2013
Reported, Tested, Positive 2013
Positive Species for 2013
Positive Counts by City/County for 2014
Reported, Tested, Positive 2014 YTD
Positive Species for 2014
Positive Counts by City/County for 2012
- view full list of Dead Birds -

Mosquitoes

AMOR - NJLT 5 Year Average Week 15
AMOR - NJLT Week 15
AMOR - GRAVID Week 15
AMOR - EVS Week 15
AMOR - EVS Week 14
AMOR - GRAVID Week 14
AMOR - NJLT Week 14
AMOR - NJLT 5 Year Average Week 14
AMOR - GRAVID Week 44
AMOR - NJLT Week 44
- 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 2013 YTD

As of Apr 18, 201420132014
Counties35
Human cases10
Dead birds212
Mosquito samples02
Sentinel chickens01
2013 YTD - Year to date corresponds to the same time last year.

- view all 2013 YTD activity -

WNV Reports

Weekly Report

04.18 Arbovirus Bulletin #9
04.18 2014 YTD WNV Activity Map
04.11 Arbovirus Bulletin #8

Humans

01.27 2013 Human WNV Incidence Report
01.27 2003-2013 WNV Case Summary
07.22 2012 Human WNV Surveillance Report

Dead Birds

04.18Reported, Tested, Positive 2014
04.18Positive Counts by City/County for 2014
04.18Positive Species for 2014

Mosquitoes

04.17 AMOR - EVS Week 15
04.17 AMOR - GRAVID Week 15
04.17 AMOR - NJLT Week 15

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 -