2016 WNV Activity by County

(2017-04-27) - Source: http://www.westnile.ca.gov

Total Positive Counties: 39

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals44213523528343
Alameda-112-
Alpine----
Amador1---
Butte21224838
Calaveras----
Colusa2--9
Contra Costa433115
Del Norte----
El Dorado14--
Fresno146185-
Glenn641110
Humboldt----
Imperial--1-
Inyo----
Kern17-80-
Kings84118-
Lake15395
Lassen----
Los Angeles151124436126
Madera65101-
Marin-5--
Mariposa----
Mendocino----
Merced-51335
Modoc----
Mono----
Monterey1---
Napa-14-
Nevada-2-1
Orange3291444-
Placer7301037
Plumas----
Riverside111632-
Sacramento254114553
San Benito----
San Bernardino858223
San Diego20264999
San Francisco----
San Joaquin1337350-
San Luis Obispo----
San Mateo-155-
Santa Barbara----
Santa Clara189131
Santa Cruz-23-
Shasta13123
Sierra----
Siskiyou----
Solano4131610
Sonoma-82-
Stanislaus2614258-
Sutter12106833
Tehama5--8
Trinity----
Tulare103260-
Tuolumne----
Ventura734--
Yolo16722594
Yuba1141813
State Totals44213523528343