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-
Fresno9
Glenn-
Humboldt-
Imperial-
Inyo-
Kern1
Kings-
Lake-
Lassen-
Los Angeles9
Madera-
Marin-
Mariposa-
Mendocino-
Merced2
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange12
Placer2
Plumas-
Riverside-
Sacramento21
San Benito-
San Bernardino-
San Diego1
San Francisco-
San Joaquin5
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus1
Sutter-
Tehama-
Trinity-
Tulare15
Tuolumne1
Ventura-
Yolo-
Yuba2
Total81

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

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

TV Spots

Local Agency Public Education Resources

Clinician Information

Veterinarian and Horse Owner Information

WNV Workshops

Tutorials

Forms

Common Links

Educational Brochures and Flyers in Spanish

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

As of Aug 23, 2019201920185Y AVG
Counties263536
Human cases453178
Dead birds81363769
Mosquito samples226912962149
Sentinel chickens4576155
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2019 YTD activity -

WNV Reports

Weekly Report

08.23 Arbobulletin #21
08.23 2019 YTD SLEV Activity Map
08.23 2019 YTD WNV Activity Map

Humans

08.22 2019 Human WNV Incidence Report
08.22 2003-2019 WNV Case Summary
05.15 2018 Human WNV Incidence Report

Dead Birds

08.23Positive Counts by City/County for 2019
08.23Positive Species for 2019
08.23Reported, Tested, Positive 2019

Mosquitoes

08.23 AMOR - EVS Week 33
08.23 AMOR - GRAVID Week 33
08.23 AMOR - NJLT Week 33
- view report archives -