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

Special Reports

2006 West Nile Virus Prevention, Surveillance, and Control Workshop

Slide Presentations
Nov 28, 2006

Please cite presentation authors and the "West Nile Virus Prevention, Surveillance, and Control Workshop" when using these materials.

Please note: Data and analyses discussed in these presentations were current when presented. Data collection and analyses are ongoing in many cases, therefore updates may be forthcoming elsewhere on this web site through publications such as CDHS Arbovirus Bulletins, Adult Mosquito Occurrence Reports, or other venues. The workshop presentations will not be updated.

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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

05.20 Arbovirus Bulletin #11
05.16 2013 YTD WNV Activity Map
05.10 Arbovirus Bulletin #10

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

05.24 AMOR - EVS Week 20
05.24 AMOR - GRAVID Week 20
05.24 AMOR - NJLT Week 20

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 -