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 Angeles1
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange-
Placer-
Plumas-
Riverside-
Sacramento-
San Benito-
San Bernardino-
San Diego9
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara3
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano1
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total14

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

News

West Nile virus Awareness week is April 22 - 28! Do You Know How to Fight the Bite?

Jan 2, 2003

West Nile Virus and Mosquito and Vector Control Awareness Week is April 22-28! West Nile Virus can easily be prevented -- check out this video with CDPH's Dr. Vicki Kramer for tips on protecting yourself and your family.

Having problems with mosquitoes?

Locate your local mosquito and vector control agency
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Compared to previous year and previous five-year average to date

As of Apr 29, 2016201620155Y AVG
Counties495
Human cases010
Dead birds1496
Mosquito samples252
Sentinel chickens000
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2015 YTD activity -

WNV Reports

Weekly Report

04.29 Arbovirus Bulletin #8
04.29 2016 YTD WNV Activity Map
04.22 Arbovirus Bulletin #7

Humans

03.21 2015 Human WNV Incidence Report
03.21 2003-2015 WNV Case Summary
03.09 2014 Human WNV Incidence Report

Dead Birds

04.29Positive Species for 2016
04.29Reported, Tested, Positive 2016
04.29Positive Counts by City/County for 2016

Mosquitoes

04.29 AMOR - EVS Week 16
04.29 AMOR - GRAVID Week 16
04.29 AMOR - NJLT Week 16
- view report archives -