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-
Fresno1
Glenn-
Humboldt-
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles1
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa1
Nevada-
Orange-
Placer-
Plumas-
Riverside-
Sacramento7
San Benito-
San Bernardino-
San Diego-
San Francisco-
San Joaquin1
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara5
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus3
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total19

WNV Activity by County
Printable Version
2020 | 2019 | 2018
2017 | 2016 | 2015
2014 | 2013 | 2012
2011 | 2010 | 2009
2008 | 2007

Weekly Reports

2020-06-262020 YTD SLEV Activity Map
2020-06-26Arbobulletin #11
2020-06-262020 YTD WNV Activity Map
2020-06-19Arbobulletin #10
2020-06-12Arbobulletin #9
2020-06-05Arbobulletin #8
2020-05-29Arbobulletin #7
2020-05-22Arbobulletin #6
2020-05-15Arbobulletin #5
2020-05-08Arbobulletin #4
- view full list of Weekly Reports -

Humans

2020-06-262003-2020 WNV Case Summary
2020-03-022019 Human WNV Incidence Report
2019-05-152018 Human WNV Incidence Report
2018-03-292017 Human WNV Incidence Report
2017-02-082016 Human WNV Incidence Report
2016-03-212015 Human WNV Incidence Report
2015-03-092014 Human WNV Incidence Report
2014-08-122013 Human WNV Incidence Report
2013-07-222012 Human WNV Surveillance Report
2013-03-182012 Human WNV Incidence Report
- view full list of Humans -

Dead Birds

2020-06-26Positive Counts by City/County for 2020
2020-06-26Positive Species for 2020
2020-06-26Reported, Tested, Positive 2020
2020-03-06Reported, Tested, Positive 2019
2020-03-06Positive Species for 2019
2020-03-06Positive Counts by City/County for 2019
2019-04-08Positive Species for 2018
2019-04-08Positive Counts by City/County for 2018
2019-04-08Reported, Tested, Positive 2018
2018-02-16Reported, Tested, Positive 2017
- view full list of Dead Birds -

Mosquitoes

2019-10-04AMOR - GRAVID Week 39
2019-10-04AMOR - NJLT Week 39
2019-10-04AMOR - EVS Week 39
2019-10-04AMOR - NJLT 5 Year Average Week 39
2019-09-27AMOR - GRAVID Week 38
2019-09-27AMOR - NJLT 5 Year Average Week 38
2019-09-27AMOR - NJLT Week 38
2019-09-27AMOR - EVS Week 38
2019-09-20AMOR - NJLT 5 Year Average Week 37
2019-09-20AMOR - EVS Week 37
- view full list of Mosquitoes -

Horses

2018-08-102016 Confirmed Equine Cases Report
2018-08-102015 Confirmed Equine Cases Report
2018-08-102014 Confirmed Equine Cases Report
2018-08-102013 Confirmed Equine Cases Report
2018-08-102012 Confirmed Equine Cases Report
2018-08-102011 Confirmed Equine Cases Report
2018-08-102017 Confirmed Equine Cases Report
2010-12-162010 Confirmed Equine Cases Report
2010-12-162010 Equine WNV Result Map
2010-05-262009 Equine WNV Result Map
- view full list of Horses -

Reports and Analyses

2019-07-102018 US Arboviral Activity Update
2019-05-162018 YTD WNV Activity Map
2018-09-212017 US Arboviral Activity Update
2018-04-042017 YTD WNV Activity Map
2018-01-122017 YTD SLEV Activity Map
2017-03-082016 YTD WNV Activity Map
2017-01-172016 US Arboviral Activity Update
2015-04-022014 YTD WNV Activity Map
2013-02-252012 YTD WNV Activity Map
2012-12-112012 US Arboviral Activity Update
- view full list of Reports and Analyses -

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

As of Jun 26, 2020202020195Y AVG
Counties111020
Human cases102
Dead birds1913115
Mosquito samples92351297
Sentinel chickens002
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2020 YTD activity -

WNV Reports

Weekly Report

06.26 Arbobulletin #11
06.26 2020 YTD SLEV Activity Map
06.26 2020 YTD WNV Activity Map

Humans

06.26 2003-2020 WNV Case Summary
03.02 2019 Human WNV Incidence Report
05.15 2018 Human WNV Incidence Report

Dead Birds

06.26Reported, Tested, Positive 2020
06.26Positive Species for 2020
06.26Positive Counts by City/County for 2020

Mosquitoes

10.04 AMOR - EVS Week 39
10.04 AMOR - GRAVID Week 39
10.04 AMOR - NJLT Week 39
- view report archives -