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-
Butte1
Calaveras-
Colusa-
Contra Costa1
Del Norte-
El Dorado-
Fresno10
Glenn-
Humboldt-
Imperial-
Inyo-
Kern2
Kings-
Lake-
Lassen-
Los Angeles44
Madera-
Marin-
Mariposa-
Mendocino-
Merced3
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange42
Placer3
Plumas-
Riverside2
Sacramento44
San Benito-
San Bernardino4
San Diego1
San Francisco-
San Joaquin5
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara6
Santa Cruz-
Shasta1
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus4
Sutter-
Tehama-
Trinity-
Tulare17
Tuolumne1
Ventura1
Yolo7
Yuba3
Total202

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 Oct 18, 2019201920185Y AVG
Counties333941
Human cases158143380
Dead birds2024911166
Mosquito samples326219523030
Sentinel chickens130152314
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2019 YTD activity -

WNV Reports

Weekly Report

10.18 Arbobulletin #29
10.18 2019 YTD SLEV Activity Map
10.18 2019 YTD WNV Activity Map

Humans

10.18 2019 Human WNV Incidence Report
10.18 2003-2019 WNV Case Summary
05.15 2018 Human WNV Incidence Report

Dead Birds

10.18Positive Counts by City/County for 2019
10.18Positive Species for 2019
10.18Reported, Tested, Positive 2019

Mosquitoes

10.04 AMOR - EVS Week 39
10.04 AMOR - GRAVID Week 39
10.04 AMOR - NJLT Week 39
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