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-
Fresno-
Glenn-
Humboldt-
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles-
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange-
Placer-
Plumas-
Riverside-
Sacramento-
San Benito-
San Bernardino-
San Diego-
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo2
Santa Barbara-
Santa Clara2
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total4

WNV Activity by County
Printable Version
2018 | 2017 | 2016 | 2015 | 2014
2013 | 2012 | 2011
2010 | 2009 | 2008
2007

Special Reports

2004 West Nile Virus Prevention, Surveillance, and Control Workshop

Slide Presentations
Dec 9, 2004

Please cite presentation authors and the "West Nile Virus Prevention, Surveillance, and Control Workshop" when using these materials.

Please note: Data and analyses discussed in these presentations were current when presented. Data collection and analyses are ongoing in many cases, therefore updates may be forthcoming elsewhere on this web site through publications such as CDHS Arbovirus Bulletins, Adult Mosquito Occurrence Reports, or other venues. The workshop presentations will not be updated.

Downloads


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 Apr 20, 2018201820175Y AVG
Counties234
Human cases000
Dead birds438
Mosquito samples001
Sentinel chickens000
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2018 YTD activity -

WNV Reports

Weekly Report

04.20 Arbovirus Bulletin #3
04.20 2018 YTD WNV Activity Map
04.13 Arbovirus Bulletin #2

Humans

03.29 2017 Human WNV Incidence Report
03.29 2003-2017 WNV Case Summary
02.08 2016 Human WNV Incidence Report

Dead Birds

04.20Reported, Tested, Positive 2018
04.20Positive Species for 2018
04.20Positive Counts by City/County for 2018

Mosquitoes

04.20 AMOR - EVS Week 15
04.20 AMOR - GRAVID Week 15
04.20 AMOR - NJLT Week 15
- view report archives -