2017 WNV Activity by County

(2017-06-25) - Source: http://www.westnile.ca.gov

Total Positive Counties: 16

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals2273020
Alameda----
Alpine----
Amador----
Butte----
Calaveras----
Colusa----
Contra Costa----
Del Norte----
El Dorado----
Fresno--2-
Glenn----
Humboldt----
Imperial----
Inyo----
Kern-119-
Kings1-1-
Lake----
Lassen----
Los Angeles1321-
Madera----
Marin----
Mariposa----
Mendocino----
Merced--1-
Modoc----
Mono----
Monterey----
Napa----
Nevada-1--
Orange-2--
Placer----
Plumas----
Riverside-147-
Sacramento-101-
San Benito----
San Bernardino-112-
San Diego-21-
San Francisco----
San Joaquin-134-
San Luis Obispo----
San Mateo-1--
Santa Barbara----
Santa Clara----
Santa Cruz----
Shasta----
Sierra----
Siskiyou----
Solano----
Sonoma----
Stanislaus--6-
Sutter----
Tehama----
Trinity----
Tulare-4156-
Tuolumne----
Ventura----
Yolo--1-
Yuba----
State Totals2273020