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-
Kern1
Kings-
Lake-
Lassen-
Los Angeles3
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada1
Orange2
Placer-
Plumas-
Riverside1
Sacramento10
San Benito-
San Bernardino1
San Diego2
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo1
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare3
Tuolumne-
Ventura-
Yolo-
Yuba-
Total25

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

News

Reporting a Dead Bird Video

Jun 22, 2017

Having problems with mosquitoes?

Locate your local mosquito and vector control agency
Search by Zip Code





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

As of Jun 16, 2017201720165Y AVG
Counties141918
Human cases200
Dead birds25193106
Mosquito samples157185110
Sentinel chickens021
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2016 YTD activity -

WNV Reports

Weekly Report

06.16 Arbovirus Bulletin #11
06.16 2017 YTD WNV Activity Map
06.09 Arbovirus Bulletin #10

Humans

02.08 2016 Human WNV Incidence Report
02.08 2003-2016 WNV Case Summary
03.21 2015 Human WNV Incidence Report

Dead Birds

06.16Positive Counts by City/County for 2017
06.16Positive Species for 2017
06.16Reported, Tested, Positive 2017

Mosquitoes

06.15 AMOR - EVS Week 23
06.15 AMOR - GRAVID Week 23
06.15 AMOR - NJLT Week 23
- view report archives -