2011 WNV Activity by County

(2018-12-15) - Source: http://www.westnile.ca.gov

Total Positive Counties: 35

CountyHuman CasesHorsesDead BirdsMosquito SamplesSentinel Chickens
State Totals158156882087391
Alameda-----
Alpine-----
Amador1----
Butte3--120
Calaveras-----
Colusa-----
Contra Costa3-387-
Del Norte-----
El Dorado1-2--
Fresno9515123-
Glenn1-2-5
Humboldt-----
Imperial---33
Inyo---2-
Kern1814389140
Kings1-963-
Lake--13-
Lassen-----
Los Angeles58122746786
Madera2-35-
Marin-----
Mariposa-----
Mendocino-----
Merced1391115
Modoc-----
Mono-----
Monterey-----
Napa-----
Nevada--1--
Orange10-4991-
Placer1210486
Plumas-----
Riverside7-75640
Sacramento4-1343817
San Benito-----
San Bernardino4-3315042
San Diego---1-
San Francisco-----
San Joaquin5-2751-
San Luis Obispo-----
San Mateo-----
Santa Barbara1----
Santa Clara1-3616-
Santa Cruz1----
Shasta---1-
Sierra-----
Siskiyou-----
Solano--1-1
Sonoma---2-
Stanislaus11-241007
Sutter--2268
Tehama1-1--
Trinity-----
Tulare11142827
Tuolumne-----
Ventura--1--
Yolo-297-
Yuba3-114
State Totals158156882087391