2014 WNV Activity by County

(2018-08-16) - Source: http://www.westnile.ca.gov

Total Positive Counties: 40

CountyHuman CasesHorsesDead BirdsMosquito SamplesSentinel Chickens
State Totals801024423340443
Alameda1-96161
Alpine-----
Amador-----
Butte24-224037
Calaveras-----
Colusa3-419
Contra Costa5-442515
Del Norte-----
El Dorado--7--
Fresno43-9138-
Glenn10-489
Humboldt--2--
Imperial1----
Inyo-----
Kern11-3111-
Kings4-3150-
Lake1-18715
Lassen-----
Los Angeles253-99356146
Madera3-537-
Marin--63-
Mariposa-----
Mendocino1----
Merced1-81111
Modoc-----
Mono-----
Monterey-----
Napa--12--
Nevada----2
Orange263-431499-
Placer7-4077-
Plumas-----
Riverside14-19143
Sacramento10-29448710
San Benito-----
San Bernardino21-179732
San Diego11-3912
San Francisco-----
San Joaquin9-53239-
San Luis Obispo-----
San Mateo--2115-
Santa Barbara--2--
Santa Clara10-925305
Santa Cruz--1--
Shasta2-63312
Sierra-----
Siskiyou-----
Solano5-331123
Sonoma--3793
Stanislaus33-4717612
Sutter8-195231
Tehama4---13
Trinity-----
Tulare21-403114
Tuolumne-----
Ventura1-7--
Yolo15-712219
Yuba6-16249
State Totals801024423340443