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-
Fresno-
Glenn-
Humboldt-
Imperial-
Inyo-
Kern-
Kings-
Lake-
Lassen-
Los Angeles-
Madera-
Marin-
Mariposa-
Mendocino-
Merced-
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange1
Placer-
Plumas-
Riverside-
Sacramento-
San Benito-
San Bernardino-
San Diego1
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo1
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total3

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

Dead Birds

2017-04-21Reported, Tested, Positive 2017
2017-04-21Positive Counts by City/County for 2017
2017-04-21Positive Species for 2017
2017-03-30Reported, Tested, Positive 2016
2017-03-30Positive Species for 2016
2017-03-30Positive Counts by City/County for 2016
2016-02-29Positive Species for 2015
2016-02-29Reported, Tested, Positive 2015
2016-02-29Positive Counts by City/County for 2015
2015-03-12Reported, Tested, Positive 2014
2015-03-12Positive Species for 2014
2015-03-12Positive Counts by City/County for 2014
2014-03-07Reported, Tested, Positive 2013
2014-03-07Positive Counts by City/County for 2013
2014-03-07Positive Species for 2013
2014-02-20Positive Counts by City/County for 2014
2014-02-20Reported, Tested, Positive 2014 YTD
2014-02-20Positive Species for 2014
2013-03-04Positive Species for 2012
2013-03-04Positive Counts by City/County for 2012
2013-03-04Reported, Tested, Positive 2012
2012-01-24Reported, Tested, Positive 2011 YTD
2012-01-24Positive Species for 2011
2012-01-24Positive Counts by City/County for 2011
2011-04-05Positive Counts by City/County for 2010
2011-03-10Reported, Tested, Positive 2010
2011-03-10Positive Species for 2010
2010-03-10Reported, Tested, Positive 2009 YTD
2010-03-10Reported, Tested, Positive 2009
2010-03-10Positive Species for 2009
2010-03-10Positive Counts by City/County for 2009
2009-04-09Positive Species for 2008
2009-04-09Positive Counts by City/County for 2008
2009-04-09Reported, Tested, Positive 2008
2009-03-03Reported, Tested, Positive 2008 YTD
2009-02-27Reported, Tested, Positive 2007 YTD
2008-11-07Submission Data for 11/3/08 - 11/7/08
2008-10-31Submission Data for 10/27/08 - 10/31/08
2008-10-24Submission Data for 10/20/08 - 10/24/08
2008-10-17Submission Data for 10/13/08 - 10/17/08
2008-10-10Submission Data for 10/6/08 - 10/10/08
2008-10-03Submission Data for 9/29/08 - 10/3/08
2008-09-26Submission Data for 9/22/08 - 9/26/08
2008-09-19Submission Data for 9/15/08 - 9/19/08
2008-09-12Submission Data for 9/8/08 - 9/12/08
2008-09-05Submission Data for 9/1/08 - 9/5/08
2008-08-29Submission Data for 8/25/08 - 8/29/08
2008-08-22Submission Data for 8/18/08 - 8/22/08
2008-08-15Submission Data for 8/11/08 - 8/15/08
2008-08-08Submission Data for 8/4/08 - 8/8/08
2008-08-01Submission Data for 7/25/08 - 8/1/08
2008-07-25Submission Data for 7/21/08 - 7/25/08
2008-07-18Submission Data for 7/14/08 - 7/18/08
2008-07-11Submission Data for 7/7/08 - 7/11/08
2008-07-03Submission Data for 6/30/08 - 7/03/08
2008-06-27Submission Data for 6/23/08 - 6/27/08
2008-06-20Positive Counts by City/County for 2007
2008-06-20Submission Data for 6/16/08 - 6/20/08
2008-06-13Submission Data for 6/9/08 - 6/13/08
2008-06-06Submission Data for 6/2/08 - 6/6/08
2008-05-30Submission Data for 5/26/08 - 5/30/08
2008-05-23Submission Data for 5/19/08 - 5/23/08
2008-05-16Submission Data for 5/12/08 - 5/16/08
2008-05-14Positive Species for 2007
2008-05-09Submission Data for 5/5/08 - 5/9/08
2008-05-02Submission Data for 4/28/08 - 5/2/08
2008-04-25Submission Data for 4/21/08 - 4/25/08
2008-04-18Submission Data for 4/14/08 - 4/18/08
2008-04-11Submission Data for 4/7/08 - 4/11/08
2008-04-04Submission Data for 3/31/08 - 4/4/08
2008-03-28Submission Data for 3/24/08 - 3/28/08
2008-03-21Submission Data for 3/17/08 - 3/21/08
2008-03-14Submission Data for 3/10/08 - 3/14/08
2008-01-25Submission Data for 1/1/08 - 1/25/08
2008-01-10Reported, Tested, Positive 2007
2007-12-21Submission Data for 12/10/07 - 12/21/07
2007-12-07Submission Data for 12/3/07 - 12/7/07
2007-11-30Submission Data for 11/19/07 - 11/30/07
2007-11-17Submission Data for 11/12/07 - 11/16/07
2007-11-09Submission Data for 11/05/07 - 11/09/07
2007-11-02Submission Data for 10/29/07 - 11/02/07
2007-10-26Submission Data for 10/22/07 - 10/26/07
2007-10-19Submission Data for 10/15/07 - 10/19/07
2007-10-12Submission Data for 10/08/07 - 10/12/07
2007-10-05Submission Data for 10/01/07 - 10/05/07
2007-10-01Submission Data for 9/24/07 - 9/21807
2007-09-21Submission Data for 9/17/07 - 9/21/07
2007-09-14Submission Data for 9/10/07 - 9/14/07
2007-08-31Submission Data for 8/27/07 - 8/31/07
2007-08-24Submission Data for 8/20/07 - 8/24/07
2007-08-17Submission Data for 8/13/07 - 8/17/07
2007-08-10Submission Data for 8/6/07 - 8/10/07
2007-08-03Submission Data for 7/30/07 - 8/03/07
2007-07-27Submission Data for 7/23/07 - 7/27/07
2007-07-20Submission Data for 7/16/07 - 7/20/07
2007-07-13Submission Data for 7/09/07 - 7/13/07
2007-07-06Submission Data for 7/02/07 - 7/06/07
2007-06-29Submission Data for 6/22/07 - 6/29/07
2007-06-25Submission Data for 6/15/07 - 6/21/07
2007-06-15Submission Data for 6/8/07 - 6/14/07
2007-06-08Submission Data for 6/1/07 - 6/7/07
2007-06-01Submission Data for 5/25/07 - 5/31/07
2007-05-29Submission Data for 5/18/07 - 5/24/07
2007-05-18Submission Data for 5/11/07 - 5/17/07
2007-05-11Submission Data for 5/4/07 - 5/10/07
2007-05-08Submission Data for 4/27/07 - 5/3/07
2007-04-30Submission Data for 4/20/07 - 4/26/07
2007-04-20Submission Data for 4/13/07 - 4/19/07
2007-04-13Submission Data for 4/6/07 - 4/13/07
2007-04-06Submission Data for 3/30/07 - 4/5/07
2007-03-30Submission Data for 3/16/07 - 1/29/07
2007-03-16Submission Data for 3/3/07 - 3/15/07
2007-02-15Submission Data for 2/2/07 - 2/25/07
2007-01-25Submission Data for 1/19/07 - 1/25/07
2007-01-012006 Positive Counts by City/County

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

As of Mar 30, 2017201720165Y AVG
Counties335
Human cases000
Dead birds3116
Mosquito samples000
Sentinel chickens000
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2016 YTD activity -

WNV Reports

Weekly Report

04.21 Arbovirus Bulletin #3
04.14 Arbovirus Bulletin #2
04.07 Arbovirus Bulletin #1

Humans

02.08 2016 Human WNV Incidence Report
02.08 2003-2016 WNV Case Summary
03.21 2015 Human WNV Incidence Report

Dead Birds

04.21Positive Counts by City/County for 2017
04.21Positive Species for 2017
04.21Reported, Tested, Positive 2017

Mosquitoes

04.21 AMOR - EVS Week 15
04.21 AMOR - GRAVID Week 15
04.21 AMOR - NJLT Week 15
- view report archives -