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

Case Counts by County

CountyDead birds
Alameda20
Alpine-
Amador-
Butte4
Calaveras-
Colusa-
Contra Costa13
Del Norte-
El Dorado2
Fresno-
Glenn-
Humboldt1
Imperial-
Inyo-
Kern1
Kings-
Lake-
Lassen-
Los Angeles19
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange16
Placer44
Plumas-
Riverside6
Sacramento241
San Benito-
San Bernardino-
San Diego1
San Francisco-
San Joaquin16
San Luis Obispo-
San Mateo5
Santa Barbara-
Santa Clara56
Santa Cruz2
Shasta5
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus1
Sutter4
Tehama-
Trinity-
Tulare-
Tuolumne1
Ventura-
Yolo41
Yuba-
Total499

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 Dec 07, 2018201820175Y AVG
Counties414442
Human cases201488548
Dead birds4995061377
Mosquito samples196333703217
Sentinel chickens163305405
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2018 YTD activity -

WNV Reports

Weekly Report

12.11 2018 US Arboviral Activity Update
12.07 2018 YTD SLEV Activity Map
12.07 2018 YTD WNV Activity Map

Humans

12.06 2018 Human WNV Incidence Report
12.06 2003-2018 WNV Case Summary
03.29 2017 Human WNV Incidence Report

Dead Birds

12.07Reported, Tested, Positive 2018
12.07Positive Species for 2018
12.07Positive Counts by City/County for 2018

Mosquitoes

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