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

Case Counts by County

CountyDead birds
Alameda16
Alpine-
Amador-
Butte3
Calaveras-
Colusa-
Contra Costa11
Del Norte-
El Dorado2
Fresno-
Glenn-
Humboldt1
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles9
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange5
Placer40
Plumas-
Riverside5
Sacramento232
San Benito-
San Bernardino-
San Diego-
San Francisco-
San Joaquin11
San Luis Obispo-
San Mateo5
Santa Barbara-
Santa Clara43
Santa Cruz2
Shasta4
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus1
Sutter4
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo36
Yuba-
Total430

WNV Activity by County
Printable Version
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 Sep 14, 2018201820175Y AVG
Counties373939
Human cases79143188
Dead birds4303371087
Mosquito samples173029792773
Sentinel chickens112204277
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2018 YTD activity -

WNV Reports

Weekly Report

09.19 2018 YTD WNV Activity Map
09.18 2018 US Arboviral Activity Update
09.14 Arbovirus Bulletin #24

Humans

09.10 2018 Human WNV Incidence Report
09.05 2003-2018 WNV Case Summary
03.29 2017 Human WNV Incidence Report

Dead Birds

09.19Reported, Tested, Positive 2018
09.19Positive Species for 2018
09.19Positive Counts by City/County for 2018

Mosquitoes

09.14 AMOR - EVS Week 36
09.14 AMOR - GRAVID Week 36
09.14 AMOR - NJLT Week 36
- view report archives -