2019 WNV Activity by County

(2019-08-20) - Source: http://www.westnile.ca.gov

Total Positive Counties: 25

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals1467198826
Alameda----
Alpine----
Amador----
Butte1-18-
Calaveras----
Colusa----
Contra Costa----
Del Norte----
El Dorado----
Fresno18319-
Glenn--1-
Humboldt----
Imperial2-1-
Inyo----
Kern-193-
Kings--35-
Lake--3-
Lassen----
Los Angeles27157
Madera--40-
Marin----
Mariposa----
Mendocino----
Merced-2206
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange-114-
Placer-1364
Plumas----
Riverside--489-
Sacramento-1629-
San Benito----
San Bernardino1-32-
San Diego-1--
San Francisco----
San Joaquin13103-
San Luis Obispo----
San Mateo----
Santa Barbara----
Santa Clara----
Santa Cruz----
Shasta--1-
Sierra----
Siskiyou----
Solano1---
Sonoma----
Stanislaus1-77-
Sutter--91
Tehama----
Trinity----
Tulare4156317
Tuolumne----
Ventura--1-
Yolo--14-
Yuba-2171
State Totals1467198826