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

Case Counts by County

CountyDead birds
Alameda8
Alpine-
Amador-
Butte-
Calaveras-
Colusa-
Contra Costa-
Del Norte-
El Dorado2
Fresno-
Glenn-
Humboldt1
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles2
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange-
Placer2
Plumas-
Riverside2
Sacramento67
San Benito-
San Bernardino-
San Diego-
San Francisco-
San Joaquin1
San Luis Obispo-
San Mateo2
Santa Barbara-
Santa Clara13
Santa Cruz1
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus1
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo6
Yuba-
Total108

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

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

As of Jul 20, 2018201820175Y AVG
Counties242531
Human cases1044
Dead birds10890387
Mosquito samples315895827
Sentinel chickens72127
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2018 YTD activity -

WNV Reports

Weekly Report

07.20 ARbovirus Bulletin #16
07.20 2018 YTD SLEV Activity Map
07.20 2018 YTD WNV Activity Map

Humans

07.12 2018 Human WNV Incidence Report
07.12 2003-2018 WNV Case Summary
03.29 2017 Human WNV Incidence Report

Dead Birds

07.20Reported, Tested, Positive 2018
07.20Positive Species for 2018
07.20Positive Counts by City/County for 2018

Mosquitoes

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