Case Counts by County

CountyDead birds
Alameda2
Alpine-
Amador-
Butte1
Calaveras-
Colusa-
Contra Costa-
Del Norte-
El Dorado1
Fresno-
Glenn1
Humboldt-
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles2
Madera1
Marin1
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange1
Placer-
Plumas-
Riverside4
Sacramento5
San Benito-
San Bernardino-
San Diego33
San Francisco-
San Joaquin1
San Luis Obispo-
San Mateo3
Santa Barbara-
Santa Clara21
Santa Cruz-
Shasta2
Sierra-
Siskiyou-
Solano1
Sonoma2
Stanislaus4
Sutter2
Tehama-
Trinity-
Tulare8
Tuolumne-
Ventura1
Yolo3
Yuba1
Total101

WNV Activity by County
Printable Version
2015 | 2014 | 2013
2012 | 2011 | 2010
2009 | 2008 | 2007

Weekly Reports

2015 US Arboviral Activity Update
2015 YTD WNV Activity Map
Arbovirus Bulletin #17
Arbovirus Bulletin #16
Arbovirus Bulletin #15
Arbovirus Bulletin #14
Arbovirus Bulletin #13
Arbovirus Bulletin #12
Arbovirus Bulletin #11
- view full list of Weekly Reports -

Humans

2003-2014 WNV Case Summary
2014 Human WNV Incidence Report
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 Incidence Report
2011 Human WNV Case Linelist
2010 Human WNV Incidence Report
2010 Human WNV Case Linelist
- view full list of Humans -

Dead Birds

Positive Species for 2015
Reported, Tested, Positive 2015
Positive Counts by City/County for 2015
Positive Species for 2014
Positive Counts by City/County for 2014
Reported, Tested, Positive 2014
Positive Counts by City/County for 2013
Reported, Tested, Positive 2013
Positive Species for 2013
Positive Counts by City/County for 2014
- view full list of Dead Birds -

Mosquitoes

AMOR - EVS Week 24
AMOR - NJLT Week 24
AMOR - GRAVID Week 24
AMOR - NJLT 5 Year Average Week 24
AMOR - NJLT Week 23
AMOR - NJLT 5 Year Average Week 23
AMOR - EVS Week 23
AMOR - GRAVID Week 23
AMOR - NJLT Week 22
AMOR - EVS Week 22
- view full list of Mosquitoes -

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

2011 West Nile virus Activity in California
1999-2010 Total WNND cases by year
1999-2011 Reported WNV Disease Cases in Humans
2010 West Nile virus Activity in California
2009 WNV Activity by County
2008 WNV Activity Map
2008 WNV Activity by County
2004-2008 Comparative Line Graphs of West Nile Virus Activity
2007 YTD WNV Activity Map
2007 WNV Activity by County
- view full list of Reports and Analyses -

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

Compared to previous year and previous five-year average to date

As of Jun 26, 2015201520145Y AVG
Counties312116
Human cases011
Dead birds10119791
Mosquito samples18012390
Sentinel chickens311
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2014 YTD activity -

WNV Reports

Weekly Report

06.30 2015 US Arboviral Activity Update
06.26 Arbovirus Bulletin #17
06.26 2015 YTD WNV Activity Map

Humans

04.02 2003-2014 WNV Case Summary
03.09 2014 Human WNV Incidence Report
08.12 2013 Human WNV Incidence Report

Dead Birds

06.26Positive Species for 2015
06.26Positive Counts by City/County for 2015
06.26Reported, Tested, Positive 2015

Mosquitoes

06.26 AMOR - EVS Week 24
06.26 AMOR - GRAVID Week 24
06.26 AMOR - NJLT Week 24
- view report archives -