Case Counts by County

CountyDead birds
Alameda8
Alpine-
Amador-
Butte1
Calaveras-
Colusa1
Contra Costa16
Del Norte-
El Dorado1
Fresno5
Glenn1
Humboldt-
Imperial-
Inyo-
Kern2
Kings-
Lake5
Lassen-
Los Angeles7
Madera3
Marin2
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa1
Nevada-
Orange31
Placer10
Plumas-
Riverside-
Sacramento112
San Benito-
San Bernardino2
San Diego-
San Francisco-
San Joaquin19
San Luis Obispo-
San Mateo1
Santa Barbara-
Santa Clara371
Santa Cruz1
Shasta2
Sierra-
Siskiyou-
Solano24
Sonoma6
Stanislaus14
Sutter11
Tehama-
Trinity-
Tulare31
Tuolumne-
Ventura1
Yolo16
Yuba3
Total708

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

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Compared to 2013 YTD

As of Jul 22, 201420132014
Counties3133
Human cases415
Dead birds230708
Mosquito samples555771
Sentinel chickens2714
2013 YTD - Year to date corresponds to the same time last year.

- view all 2013 YTD activity -

WNV Reports

Weekly Report

07.22 2014 YTD WNV Activity Map
07.18 Arbovirus Bulletin #22
07.15 2014 US Arboviral Activity Update

Humans

07.21 2014 Human WNV Incidence Report
07.21 2003-2014 WNV Case Summary
04.21 2013 Human WNV Incidence Report

Dead Birds

07.22Reported, Tested, Positive 2014
07.22Positive Counts by City/County for 2014
07.22Positive Species for 2014

Mosquitoes

07.18 AMOR - EVS Week 28
07.18 AMOR - GRAVID Week 28
07.18 AMOR - NjLT Week 28

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 -