CA Dept. of Public Health UC Davis Arbovirus Research and Training Mosquito and Vector Control Assoc. of CA

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 Angeles2
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange3
Placer-
Plumas-
Riverside-
Sacramento3
San Benito-
San Bernardino-
San Diego22
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara8
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano1
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total39

WNV Activity by County
Printable Version
2016 | 2015 | 2014
2013 | 2012 | 2011
2010 | 2009 | 2008
2007

Weekly Reports

2016 YTD WNV Activity Map
Arbovirus Bulletin #11
Arbovirus Bulletin #10
Arbovirus Bulletin #9
Arbovirus Bulletin #8
Arbovirus Bulletin #7
Arbovirus Bulletin #6
Arbovirus Bulletin #5
Arbovirus Bulletin #4
Arbovirus Bulletin #3
- view full list of Weekly Reports -

Humans

2015 Human WNV Incidence Report
2003-2015 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
- view full list of Humans -

Dead Birds

Positive Species for 2016
Reported, Tested, Positive 2016
Positive Counts by City/County for 2016
Positive Species for 2015
Positive Counts by City/County for 2015
Reported, Tested, Positive 2015
Reported, Tested, Positive 2014
Positive Species for 2014
Positive Counts by City/County for 2014
Reported, Tested, Positive 2013
- view full list of Dead Birds -

Mosquitoes

AMOR - EVS Week 19
AMOR - NJLT 5 Year Average Week 19
AMOR - NJLT Week 19
AMOR - GRAVID Week 19
AMOR - NJLT Week 18
AMOR - EVS Week 18
AMOR - GRAVID Week 18
AMOR - NJLT 5 Year Average Week 18
AMOR - NJLT Week 17
AMOR - GRAVID Week 17
- 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 -

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

As of May 20, 2016201620155Y AVG
Counties9119
Human cases010
Dead birds253916
Mosquito samples19258
Sentinel chickens000
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2015 YTD activity -

WNV Reports

Weekly Report

05.25 2016 YTD WNV Activity Map
05.20 Arbovirus Bulletin #11
05.13 Arbovirus Bulletin #10

Humans

03.21 2015 Human WNV Incidence Report
03.21 2003-2015 WNV Case Summary
03.09 2014 Human WNV Incidence Report

Dead Birds

05.25Positive Species for 2016
05.25Reported, Tested, Positive 2016
05.25Positive Counts by City/County for 2016

Mosquitoes

05.20 AMOR - EVS Week 19
05.20 AMOR - GRAVID Week 19
05.20 AMOR - NJLT Week 19
- view report archives -