Case Counts by County

CountyDead birds
Alameda96
Alpine-
Amador-
Butte22
Calaveras-
Colusa4
Contra Costa44
Del Norte-
El Dorado7
Fresno9
Glenn4
Humboldt2
Imperial-
Inyo-
Kern3
Kings3
Lake18
Lassen-
Los Angeles99
Madera5
Marin6
Mariposa-
Mendocino-
Merced8
Modoc-
Mono-
Monterey-
Napa12
Nevada-
Orange427
Placer40
Plumas-
Riverside1
Sacramento294
San Benito-
San Bernardino17
San Diego34
San Francisco-
San Joaquin53
San Luis Obispo-
San Mateo19
Santa Barbara2
Santa Clara924
Santa Cruz1
Shasta6
Sierra-
Siskiyou-
Solano33
Sonoma37
Stanislaus47
Sutter19
Tehama-
Trinity-
Tulare40
Tuolumne-
Ventura7
Yolo71
Yuba16
Total2430

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

News

WNV in CA 2011

May 5, 2011

Want to know more about WNV in California? Watch the video below.




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 Nov 24, 2014201420135Y AVG
Counties404440
Human cases762360230
Dead birds24301246897
Mosquito samples333825271963
Sentinel chickens440484425
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2013 YTD activity -

WNV Reports

Weekly Report

11.24 2014 YTD WNV Activity Map
11.21 Arbovirus Bulletin #40
11.18 2014 US Arboviral Activity Update

Humans

11.24 2014 Human WNV Incidence Report
11.24 2003-2014 WNV Case Summary
08.12 2013 Human WNV Incidence Report

Dead Birds

11.24Reported, Tested, Positive 2014
11.24Positive Counts by City/County for 2014
11.24Positive Species for 2014

Mosquitoes

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