2017 WNV Activity by County

(2017-07-21) - Source: http://www.westnile.ca.gov

Total Positive Counties: 22

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals47168117
Alameda----
Alpine----
Amador----
Butte--1-
Calaveras----
Colusa----
Contra Costa----
Del Norte----
El Dorado----
Fresno-112-
Glenn----
Humboldt----
Imperial----
Inyo----
Kern1363-
Kings1-5-
Lake-15-
Lassen----
Los Angeles195310
Madera----
Marin----
Mariposa----
Mendocino----
Merced--2-
Modoc----
Mono----
Monterey----
Napa----
Nevada-1--
Orange-67-
Placer--1-
Plumas----
Riverside-678-
Sacramento-196-
San Benito----
San Bernardino111437
San Diego-42-
San Francisco----
San Joaquin-260-
San Luis Obispo----
San Mateo-1--
Santa Barbara----
Santa Clara----
Santa Cruz-1--
Shasta----
Sierra----
Siskiyou----
Solano----
Sonoma----
Stanislaus--30-
Sutter--1-
Tehama----
Trinity----
Tulare-6307-
Tuolumne----
Ventura----
Yolo--3-
Yuba--2-
State Totals47168117