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

Case Counts by County

CountyDead birds
Alameda2
Alpine-
Amador-
Butte5
Calaveras-
Colusa1
Contra Costa19
Del Norte-
El Dorado2
Fresno5
Glenn2
Humboldt1
Imperial-
Inyo-
Kern3
Kings1
Lake4
Lassen-
Los Angeles93
Madera1
Marin1
Mariposa-
Mendocino-
Merced1
Modoc-
Mono-
Monterey1
Napa-
Nevada1
Orange52
Placer3
Plumas-
Riverside40
Sacramento86
San Benito-
San Bernardino45
San Diego35
San Francisco1
San Joaquin6
San Luis Obispo2
San Mateo1
Santa Barbara1
Santa Clara8
Santa Cruz1
Shasta2
Sierra-
Siskiyou-
Solano4
Sonoma5
Stanislaus6
Sutter3
Tehama-
Trinity-
Tulare8
Tuolumne-
Ventura1
Yolo14
Yuba6
Total473

WNV Activity by County
Printable Version
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 Oct 20, 2017201720165Y AVG
Counties473840
Human cases361346394
Dead birds47313321527
Mosquito samples330434563027
Sentinel chickens295329413
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2016 YTD activity -

WNV Reports

Weekly Report

10.20 Arbovirus Bulletin #29
10.20 2017 YTD SLEV Activity Map
10.20 2017 YTD WNV Activity Map

Humans

10.18 2017 Human WNV Incidence Report
10.18 2003-2017 WNV Case Summary
02.08 2016 Human WNV Incidence Report

Dead Birds

10.20Positive Counts by City/County for 2017
10.20Positive Species for 2017
10.20Reported, Tested, Positive 2017

Mosquitoes

10.20 AMOR - EVS Week 41
10.20 AMOR - GRAVID Week 41
10.20 AMOR - NJLT Week 41
- view report archives -