CA Dept. of Public Health UC Davis Arbovirus Research and Training Mosquito and Vector Control Assoc. of CA

Case Counts by County

CountyDead birds
Alameda11
Alpine-
Amador-
Butte22
Calaveras-
Colusa-
Contra Costa33
Del Norte-
El Dorado4
Fresno6
Glenn4
Humboldt-
Imperial-
Inyo-
Kern-
Kings4
Lake5
Lassen-
Los Angeles124
Madera5
Marin5
Mariposa-
Mendocino-
Merced5
Modoc-
Mono-
Monterey-
Napa1
Nevada2
Orange89
Placer30
Plumas-
Riverside16
Sacramento411
San Benito-
San Bernardino5
San Diego264
San Francisco-
San Joaquin37
San Luis Obispo-
San Mateo15
Santa Barbara-
Santa Clara89
Santa Cruz2
Shasta3
Sierra-
Siskiyou-
Solano13
Sonoma8
Stanislaus14
Sutter10
Tehama-
Trinity-
Tulare3
Tuolumne-
Ventura34
Yolo72
Yuba4
Total1350

WNV Activity by County
Printable Version
2016 | 2015 | 2014
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

Having problems with mosquitoes?

Locate your local mosquito and vector control agency
Search by Zip Code




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

As of Dec 09, 2016201620155Y AVG
Counties394140
Human cases411702488
Dead birds135013401470
Mosquito samples351433292826
Sentinel chickens343449461
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2015 YTD activity -

WNV Reports

Weekly Report

12.09 2016 YTD WNV Activity Map
12.06 2016 US Arboviral Activity Update
12.02 Arbovirus Bulletin #38

Humans

12.02 2016 Human WNV Incidence Report
11.16 2003-2016 WNV Case Summary
03.21 2015 Human WNV Incidence Report

Dead Birds

12.09Positive Species for 2016
12.09Reported, Tested, Positive 2016
12.09Positive Counts by City/County for 2016

Mosquitoes

11.10 AMOR - EVS Week 44
11.10 AMOR - GRAVID Week 44
11.10 AMOR - NJLT Week 44
- view report archives -