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
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2014 | 2013 | 2012
2011 | 2010 | 2009
2008 | 2007

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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 -