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-
Fresno8
Glenn-
Humboldt-
Imperial-
Inyo-
Kern1
Kings-
Lake-
Lassen-
Los Angeles7
Madera-
Marin-
Mariposa-
Mendocino-
Merced2
Modoc-
Mono-
Monterey-
Napa-
Nevada-
Orange11
Placer1
Plumas-
Riverside-
Sacramento16
San Benito-
San Bernardino-
San Diego1
San Francisco-
San Joaquin3
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare15
Tuolumne-
Ventura-
Yolo-
Yuba2
Total67

WNV Activity by County
Printable Version
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2013 | 2012 | 2011
2010 | 2009 | 2008
2007

Educational Materials

Easy to Read Repellent Use Information in Spanish

May 8, 2007

Downloads


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

As of Aug 16, 2019201920185Y AVG
Counties253436
Human cases142155
Dead birds67316690
Mosquito samples198811191906
Sentinel chickens2644115
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2019 YTD activity -

WNV Reports

Weekly Report

08.20 2019 YTD WNV Activity Map
08.16 Arbobulletin #20
08.16 2019 YTD SLEV Activity Map

Humans

08.16 2019 Human WNV Incidence Report
08.16 2003-2019 WNV Case Summary
05.15 2018 Human WNV Incidence Report

Dead Birds

08.20Positive Counts by City/County for 2019
08.20Positive Species for 2019
08.20Reported, Tested, Positive 2019

Mosquitoes

08.16 AMOR - EVS Week 32
08.16 AMOR - GRAVID Week 32
08.16 AMOR - NJLT Week 32
- view report archives -