2019 WNV Activity by County

(2019-07-24) - Source: http://www.westnile.ca.gov

Total Positive Counties: 17

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals2288020
Alameda----
Alpine----
Amador----
Butte----
Calaveras----
Colusa----
Contra Costa----
Del Norte----
El Dorado----
Fresno-4107-
Glenn----
Humboldt----
Imperial1---
Inyo----
Kern--26-
Kings--3-
Lake----
Lassen----
Los Angeles-32-
Madera--1-
Marin----
Mariposa----
Mendocino----
Merced-13-
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange-81-
Placer----
Plumas----
Riverside--364-
Sacramento-13-
San Benito----
San Bernardino1-6-
San Diego-1--
San Francisco----
San Joaquin-315-
San Luis Obispo----
San Mateo----
Santa Barbara----
Santa Clara----
Santa Cruz----
Shasta----
Sierra----
Siskiyou----
Solano----
Sonoma----
Stanislaus--5-
Sutter----
Tehama----
Trinity----
Tulare-7261-
Tuolumne----
Ventura--1-
Yolo----
Yuba--4-
State Totals2288020