2017 WNV Activity by County

(2017-05-23) - Source: http://www.westnile.ca.gov

Total Positive Counties: 9

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals1480
Alameda----
Alpine----
Amador----
Butte----
Calaveras----
Colusa----
Contra Costa----
Del Norte----
El Dorado----
Fresno----
Glenn----
Humboldt----
Imperial----
Inyo----
Kern----
Kings1---
Lake----
Lassen----
Los Angeles--1-
Madera----
Marin----
Mariposa----
Mendocino----
Merced----
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange-1--
Placer----
Plumas----
Riverside--1-
Sacramento-1--
San Benito----
San Bernardino--1-
San Diego-1--
San Francisco----
San Joaquin----
San Luis Obispo----
San Mateo-1--
Santa Barbara----
Santa Clara----
Santa Cruz----
Shasta----
Sierra----
Siskiyou----
Solano----
Sonoma----
Stanislaus----
Sutter----
Tehama----
Trinity----
Tulare--5-
Tuolumne----
Ventura----
Yolo----
Yuba----
State Totals1480