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-
Orange-
Placer-
Plumas-
Riverside-
Sacramento-
San Benito-
San Bernardino-
San Diego1
San Francisco-
San Joaquin-
San Luis Obispo-
San Mateo-
Santa Barbara-
Santa Clara-
Santa Cruz-
Shasta-
Sierra-
Siskiyou-
Solano-
Sonoma-
Stanislaus-
Sutter-
Tehama-
Trinity-
Tulare-
Tuolumne-
Ventura-
Yolo-
Yuba-
Total1

WNV Activity by County
Printable Version
2018 | 2017 | 2016 | 2015 | 2014
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 Apr 19, 2019201920185Y AVG
Counties224
Human cases000
Dead birds148
Mosquito samples101
Sentinel chickens000
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2019 YTD activity -

WNV Reports

Weekly Report

04.19 Arbovirus Bulletin #3
04.12 Arbovirus Bulletin #2
04.09 Arbovirus Bulletin #1

Humans

04.03 2018 Human WNV Incidence Report
04.03 2003-2018 WNV Case Summary
03.29 2017 Human WNV Incidence Report

Dead Birds

04.19Positive Counts by City/County for 2019
04.19Positive Species for 2019
04.19Reported, Tested, Positive 2019

Mosquitoes

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