2008 WNV Activity by County

(2021-03-02) - Source: http://westnile.ca.gov

Total Positive Counties: 49

CountyHuman CasesDead BirdsMosquito SamplesSentinel ChickensHorses
State Totals4452569200358532
Alameda1121--
Alpine-----
Amador-3---
Butte638531-
Calaveras1119-
Colusa13-1-
Contra Costa48831153
Del Norte-1---
El Dorado19---
Fresno34453241
Glenn11715-
Humboldt-1---
Imperial--726-
Inyo-----
Kern210718-
Kings21-1-
Lake-2311
Lassen--1--
Los Angeles156481517134-
Madera-312-
Marin-1---
Mariposa-----
Mendocino-1---
Merced15-31
Modoc-1---
Mono-2---
Monterey-6---
Napa-1---
Nevada-5---
Orange7163936132
Placer6427111
Plumas-----
Riverside62391181189
Sacramento1313027773
San Benito-----
San Bernardino36176170612
San Diego3556740154
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--
Stanislaus174575382
Sutter-2129-
Tehama46---
Trinity-1---
Tulare57664201
Tuolumne-----
Ventura-24-41
Yolo1919-1
Yuba--11-
State Totals4452569200358532