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
Printable Version
2018 | 2017 | 2016 | 2015 | 2014
2013 | 2012 | 2011
2010 | 2009 | 2008
2007

News

WNV in CA 2011

May 5, 2011

Want to know more about WNV in California? Watch the video below.




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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 -