2010 WNV Activity by County

(2021-08-04) - Source: http://westnile.ca.gov

Total Positive Counties: 35

CountyHuman CasesDead BirdsMosquito SamplesSentinel ChickensHorses
State Totals111416130528119
Alameda11---
Alpine-----
Amador----1
Butte16771
Calaveras-----
Colusa-1-4-
Contra Costa4844-
Del Norte-----
El Dorado-2---
Fresno232213074
Glenn23---
Humboldt-----
Imperial--1015-
Inyo-----
Kern1513277861
Kings1-65--
Lake--3--
Lassen----1
Los Angeles441572-
Madera713995
Marin-----
Mariposa-----
Mendocino-----
Merced11498-
Modoc-----
Mono-1---
Monterey-----
Napa-----
Nevada-----
Orange11719--
Placer39364-
Plumas-----
Riverside-17144-
Sacramento1211520562
San Benito-----
San Bernardino5104111-
San Diego-21--
San Francisco1----
San Joaquin6265711
San Luis Obispo-----
San Mateo-----
Santa Barbara-----
Santa Clara-3210--
Santa Cruz-4---
Shasta-4---
Sierra-----
Siskiyou-----
Solano-1121
Sonoma-----
Stanislaus123486211
Sutter-12613-
Tehama---1-
Trinity-----
Tulare1221168261
Tuolumne-----
Ventura-----
Yolo-14115-
Yuba--25-
State Totals111416130528119