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-
Fresno4
Glenn-
Humboldt-
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles3
Madera-
Marin-
Mariposa-
Mendocino-
Merced1
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange8
Placer-
Plumas-
Riverside-
Sacramento1
San Benito-
San Bernardino-
San Diego1
San Francisco-
San Joaquin3
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare7
Tuolumne-
Ventura-
Yolo-
Yuba-
Total28

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

Special Reports

2006 West Nile Virus Prevention, Surveillance, and Control Workshop

Slide Presentations
Nov 28, 2006

Please cite presentation authors and the "West Nile Virus Prevention, Surveillance, and Control Workshop" when using these materials.

Please note: Data and analyses discussed in these presentations were current when presented. Data collection and analyses are ongoing in many cases, therefore updates may be forthcoming elsewhere on this web site through publications such as CDHS Arbovirus Bulletins, Adult Mosquito Occurrence Reports, or other venues. The workshop presentations will not be updated.

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

As of Jul 19, 2019201920185Y AVG
Counties172430
Human cases2106
Dead birds28108363
Mosquito samples802315779
Sentinel chickens0723
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2019 YTD activity -

WNV Reports

Weekly Report

07.19 Arbobulletin #16
07.19 2019 YTD SLEV Activity Map
07.19 2019 YTD WNV Activity Map

Humans

07.19 2019 Human WNV Incidence Report
07.19 2003-2019 WNV Case Summary
05.15 2018 Human WNV Incidence Report

Dead Birds

07.19Positive Counts by City/County for 2019
07.19Positive Species for 2019
07.19Reported, Tested, Positive 2019

Mosquitoes

07.19 AMOR - EVS Week 28
07.19 AMOR - GRAVID Week 28
07.19 AMOR - NJLT Week 28
- view report archives -