2008 WNV Activity by County

(2017-07-21) - Source: http://www.westnile.ca.gov

Total Positive Counties: 49

CountyHuman CasesDead BirdsMosquito SamplesSentinel Chickens
State Totals44525692003585
Alameda1121-
Alpine----
Amador-3--
Butte638531
Calaveras1119
Colusa13-1
Contra Costa4883115
Del Norte-1--
El Dorado19--
Fresno3445324
Glenn11715
Humboldt-1--
Imperial--726
Inyo----
Kern210718
Kings21-1
Lake-231
Lassen--1-
Los Angeles156481517134
Madera-312
Marin-1--
Mariposa----
Mendocino-1--
Merced15-3
Modoc-1--
Mono-2--
Monterey-6--
Napa-1--
Nevada-5--
Orange716393613
Placer642711
Plumas----
Riverside6239118118
Sacramento131302777
San Benito----
San Bernardino3617617061
San Diego355674015
San Francisco----
San Joaquin126920718
San Luis Obispo-2--
San Mateo-2--
Santa Barbara11--
Santa Clara1131-
Santa Cruz-3--
Shasta17-3
Sierra----
Siskiyou----
Solano1717
Sonoma-112-
Stanislaus17457538
Sutter-2129
Tehama46--
Trinity-1--
Tulare5766420
Tuolumne----
Ventura-24-4
Yolo1919-
Yuba--11
State Totals44525692003585