2019 WNV Activity by County

(2019-10-16) - Source: http://www.westnile.ca.gov

Total Positive Counties: 33

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals1451933225130
Alameda----
Alpine----
Amador1---
Butte5-4433
Calaveras----
Colusa1--6
Contra Costa-1-2
Del Norte----
El Dorado----
Fresno4510495-
Glenn--11
Humboldt----
Imperial3-2-
Inyo----
Kern152128-
Kings--63-
Lake--6-
Lassen----
Los Angeles11418024
Madera2-85-
Marin----
Mariposa----
Mendocino----
Merced734816
Modoc----
Mono----
Monterey----
Napa----
Nevada----
Orange138167-
Placer-3528
Plumas----
Riverside102520-
Sacramento144741
San Benito---1
San Bernardino5452-
San Diego21--
San Francisco----
San Joaquin45287-
San Luis Obispo1---
San Mateo----
Santa Barbara----
Santa Clara-5--
Santa Cruz----
Shasta-13-
Sierra----
Siskiyou----
Solano1-54
Sonoma----
Stanislaus144203-
Sutter--1511
Tehama---4
Trinity----
Tulare151781310
Tuolumne-1--
Ventura1113
Yolo-7591
Yuba-3225
State Totals1451933225130