Case Counts by County

CountyDead birds
Alameda54
Alpine-
Amador-
Butte11
Calaveras-
Colusa4
Contra Costa25
Del Norte-
El Dorado1
Fresno8
Glenn4
Humboldt2
Imperial-
Inyo-
Kern3
Kings2
Lake12
Lassen-
Los Angeles21
Madera4
Marin3
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa8
Nevada-
Orange156
Placer19
Plumas-
Riverside-
Sacramento223
San Benito-
San Bernardino8
San Diego4
San Francisco-
San Joaquin36
San Luis Obispo-
San Mateo8
Santa Barbara-
Santa Clara682
Santa Cruz1
Shasta2
Sierra-
Siskiyou-
Solano31
Sonoma12
Stanislaus27
Sutter19
Tehama-
Trinity-
Tulare38
Tuolumne-
Ventura2
Yolo40
Yuba10
Total1480

WNV Activity by County
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Response Plans and Guidelines

Mosquito Control and Repellent Information

Pesticides

Dead Bird Diseases

2007 WNV State of Emergency

Educational Brochures and Flyers

Educational Videos

Radio Spots

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Veterinarian and Horse Owner Information

WNV Workshops

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

As of Aug 20, 2014201420135Y AVG
Counties363932
Human cases935933
Dead birds1480834508
Mosquito samples20411349994
Sentinel chickens129176107
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2013 YTD activity -

WNV Reports

Weekly Report

08.20 2014 YTD WNV Activity Map
08.19 2014 US Arboviral Activity Update
08.15 Arbovirus Bulletin #26

Humans

08.18 2014 Human WNV Incidence Report
08.18 2003-2014 WNV Case Summary
08.12 2013 Human WNV Incidence Report

Dead Birds

08.20Reported, Tested, Positive 2014
08.20Positive Counts by City/County for 2014
08.20Positive Species for 2014

Mosquitoes

08.15 AMOR - EVS Week 32
08.15 AMOR - GRAVID Week 32
08.15 AMOR - NJLT Week 32

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 -