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 Mateo-
Santa Barbara-
Santa Clara3
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total3

WNV Activity by County
Printable Version
2020 | 2019 | 2018
2017 | 2016 | 2015
2014 | 2013 | 2012
2011 | 2010 | 2009
2008 | 2007

News

Reporting a Dead Bird Video

Apr 16, 2019

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

As of Mar 20, 2020202020195Y AVG
Counties123
Human cases000
Dead birds314
Mosquito samples010
Sentinel chickens000
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2020 YTD activity -

WNV Reports

Weekly Report

03.27 2020 YTD WNV Activity Map
03.06 2020 YTD SLEV Activity Map
03.04 2019 YTD WNV Activity Map

Humans

03.02 2019 Human WNV Incidence Report
03.02 2003-2019 WNV Case Summary
05.15 2018 Human WNV Incidence Report

Dead Birds

03.27Reported, Tested, Positive 2020
03.27Positive Species for 2020
03.27Positive Counts by City/County for 2020

Mosquitoes

10.04 AMOR - EVS Week 39
10.04 AMOR - GRAVID Week 39
10.04 AMOR - NJLT Week 39
- view report archives -