2010 WNV Activity by County

(2017-10-22) - Source: http://www.westnile.ca.gov

Total Positive Counties: 33

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals1114161305281
Alameda11--
Alpine----
Amador----
Butte1677
Calaveras----
Colusa-1-4
Contra Costa4844
Del Norte----
El Dorado-2--
Fresno23221307
Glenn23--
Humboldt----
Imperial--1015
Inyo----
Kern151327786
Kings1-65-
Lake--3-
Lassen----
Los Angeles441572
Madera71399
Marin----
Mariposa----
Mendocino----
Merced11498
Modoc----
Mono-1--
Monterey----
Napa----
Nevada----
Orange11719-
Placer39364
Plumas----
Riverside-17144
Sacramento121152056
San Benito----
San Bernardino5104111
San Diego-21-
San Francisco1---
San Joaquin626571
San Luis Obispo----
San Mateo----
Santa Barbara----
Santa Clara-3210-
Santa Cruz-4--
Shasta-4--
Sierra----
Siskiyou----
Solano-112
Sonoma----
Stanislaus12348621
Sutter-12613
Tehama---1
Trinity----
Tulare122116826
Tuolumne----
Ventura----
Yolo-14115
Yuba--25
State Totals1114161305281