2017 WNV Activity by County

(2017-06-23) - Source: http://www.westnile.ca.gov

Total Positive Counties: 14

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals2251570
Alameda----
Alpine----
Amador----
Butte----
Calaveras----
Colusa----
Contra Costa----
Del Norte----
El Dorado----
Fresno----
Glenn----
Humboldt----
Imperial----
Inyo----
Kern-114-
Kings1---
Lake----
Lassen----
Los Angeles138-
Madera----
Marin----
Mariposa----
Mendocino----
Merced--1-
Modoc----
Mono----
Monterey----
Napa----
Nevada-1--
Orange-2--
Placer----
Plumas----
Riverside-115-
Sacramento-101-
San Benito----
San Bernardino-16-
San Diego-21-
San Francisco----
San Joaquin--6-
San Luis Obispo----
San Mateo-1--
Santa Barbara----
Santa Clara----
Santa Cruz----
Shasta----
Sierra----
Siskiyou----
Solano----
Sonoma----
Stanislaus----
Sutter----
Tehama----
Trinity----
Tulare-3104-
Tuolumne----
Ventura----
Yolo--1-
Yuba----
State Totals2251570