2018 WNV Activity by County

(2018-07-22) - Source: http://www.westnile.ca.gov

Total Positive Counties: 24

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals101083157
Alameda-87-
Alpine----
Amador----
Butte--8-
Calaveras----
Colusa----
Contra Costa--27
Del Norte----
El Dorado-2--
Fresno2-11-
Glenn----
Humboldt-1--
Imperial----
Inyo----
Kern2-3-
Kings----
Lake----
Lassen----
Los Angeles221-
Madera--2-
Marin----
Mariposa----
Mendocino----
Merced--1-
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange--1-
Placer-213-
Plumas----
Riverside2211-
Sacramento167142-
San Benito----
San Bernardino1-2-
San Diego----
San Francisco----
San Joaquin-189-
San Luis Obispo----
San Mateo-2--
Santa Barbara----
Santa Clara-131-
Santa Cruz-1--
Shasta--2-
Sierra----
Siskiyou----
Solano----
Sonoma----
Stanislaus-14-
Sutter--5-
Tehama----
Trinity----
Tulare--3-
Tuolumne----
Ventura----
Yolo-67-
Yuba----
State Totals101083157