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 Diego1
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total1

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

News

Mosquito Control Matters video (MVCAC)

Nov 1, 2011

This video illustrates the importance of mosquito control and how we live, work and play in our communities would be drastically altered without it.

Having problems with mosquitoes?

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

As of May 10, 2019201920185Y AVG
Counties438
Human cases000
Dead birds1412
Mosquito samples417
Sentinel chickens000
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2019 YTD activity -

WNV Reports

Weekly Report

05.17 Arbovirus Bulletin #7
05.17 2019 YTD WNV Activity Map
05.16 2018 YTD WNV Activity Map

Humans

04.03 2018 Human WNV Incidence Report
04.03 2003-2018 WNV Case Summary
03.29 2017 Human WNV Incidence Report

Dead Birds

05.17Positive Counts by City/County for 2019
05.17Positive Species for 2019
05.17Reported, Tested, Positive 2019

Mosquitoes

05.17 AMOR - EVS Week 19
05.17 AMOR - GRAVID Week 19
05.17 AMOR - NJLT Week 19
- view report archives -