West Nile virus-positive dead birds
by County and City California, 2007

(2021-12-01) - Source: http://westnile.ca.gov

Alameda County
Castro Valley1
Dublin2
Fremont1
Hayward1
Livermore12
Oakland1
Pleasanton1
Total Positives for Alameda County: 19
 
Amador County
Ione1
Total Positives for Amador County: 1
 
Butte County
Biggs1
Chico15
Durham1
Gridley2
Magalia1
Oroville1
Paradise6
Total Positives for Butte County: 27
 
Calaveras County
Copperopolis2
Rail Road Flat1
Total Positives for Calaveras County: 3
 
Colusa County
Colusa2
Princeton1
Williams1
Total Positives for Colusa County: 4
 
Contra Costa County
Alamo1
Antioch8
Bay Point1
Brentwood3
Concord1
Knightsen2
Lafayette2
Oakley4
Orinda1
San Ramon3
Walnut Creek2
Total Positives for Contra Costa County: 28
 
El Dorado County
Diamond Springs1
El Dorado1
Placerville2
Rescue1
South Lake Tahoe2
Total Positives for El Dorado County: 7
 
Fresno County
Clovis18
Fresno80
Kerman1
Kingsburg3
Laton1
Reedley2
Sanger7
Selma2
Total Positives for Fresno County: 114
 
Glenn County
Artois1
Elk Creek1
Hamilton City3
Orland16
Willows15
Total Positives for Glenn County: 36
 
Humboldt County
Arcata2
Total Positives for Humboldt County: 2
 
Inyo County
Bishop1
Total Positives for Inyo County: 1
 
Kern County
Bakersfield115
Buttonwillow1
Delano2
Fellows1
Lake Isabella1
Taft1
Tehachapi1
Weldon1
Wofford Heights1
Total Positives for Kern County: 124
 
Kings County
Hanford7
Lemoore2
Total Positives for Kings County: 9
 
Lake County
Clearlake1
Kelseyville1
Lakeport1
Total Positives for Lake County: 3
 
Lassen County
Susanville2
Total Positives for Lassen County: 2
 
Los Angeles County
Bell Canyon1
Beverly Hills2
Burbank1
Calabasas2
Canoga Park1
Chatsworth13
Claremont2
Covina12
Downey1
El Monte1
Encino7
Glendora2
Granada Hills4
Hacienda Heights1
Hidden Hills3
Lakewood2
La Mirada2
Lancaster3
La Puente1
Los Angeles7
Montebello1
Newhall1
North Hills2
North Hollywood9
Northridge10
Norwalk1
Pacific Palisades1
Palmdale2
Palos Verdes Estates1
Reseda1
Rowland Heights2
San Fernando1
San Gabriel1
Santa Clarita2
Santa Monica1
Sherman Oaks4
Sierra Madre1
South El Monte1
Studio City4
Sun Valley3
Sylmar4
Tarzana3
Valenica1
Valley Village4
Van Nuys13
West Covina9
West Hills2
West Hollywood2
Winnetka6
Woodland Hills4
Total Positives for Los Angeles County: 165
 
Madera County
Ahwahnee1
Madera5
Total Positives for Madera County: 6
 
Marin County
Novato3
Ross1
Total Positives for Marin County: 4
 
Mendocino County
Potter Valley1
Ukiah2
Total Positives for Mendocino County: 3
 
Merced County
Atwater13
Delhi1
Dos Palos1
Hilmar1
Merced17
Winton1
Total Positives for Merced County: 34
 
Modoc County
Likely1
Total Positives for Modoc County: 1
 
Napa County
Napa2
Total Positives for Napa County: 2
 
Nevada County
Grass Valley1
Nevada City2
Penn Valley1
Rough And Ready1
Total Positives for Nevada County: 5
 
Orange County
Anaheim7
Buena Park1
Cypress3
Fountain Valley1
Fullerton2
Garden Grove5
Huntington Beach6
Irvine2
Laguna Niguel1
Lake Forest1
Newport Beach2
Orange1
Placentia2
Rancho Santa Margarita1
San Clemente1
Santa Ana3
Tustin2
Yorba Linda2
Total Positives for Orange County: 43
 
Placer County
Auburn6
Granite Bay1
Lincoln3
Loomis1
Newcastle1
Roseville4
Total Positives for Placer County: 16
 
Plumas County
Clio1
Total Positives for Plumas County: 1
 
Riverside County
Corona2
Mira Loma1
Palm Springs1
Riverside2
Total Positives for Riverside County: 6
 
Sacramento County
Antelope2
Carmichael13
Citrus Heights6
Elk Grove12
Elverta3
Fair Oaks7
Folsom1
Galt3
Gold River1
Rancho Cordova6
Rio Linda4
Sacramento77
Wilton7
Total Positives for Sacramento County: 142
 
San Bernardino County
Alta Loma1
Barstow1
Bloomington1
Chino1
Chino Hills2
Colton1
Fontana2
Loma Linda1
Ontario4
Phelan1
Rancho Cucamonga2
Redlands2
Rialto1
San Bernardino5
Twin Peaks1
Total Positives for San Bernardino County: 26
 
San Diego County
Alpine1
Bonita6
Carlsbad1
Chula Vista1
El Cajon19
Encinitas3
Escondido2
Fallbrook1
Jamul2
La Jolla1
Lakeside12
La Mesa5
Lemon Grove3
Oceanside3
Poway3
San Diego37
San Marcos1
Santee5
Solana Beach1
Vista1
Total Positives for San Diego County: 108
 
San Francisco County
San Francisco1
Total Positives for San Francisco County: 1
 
San Joaquin County
French Camp1
Lathrop1
Lodi1
Manteca17
Ripon2
Stockton11
Thornton1
Tracy12
Total Positives for San Joaquin County: 46
 
San Luis Obispo County
Atascadero1
Los Osos3
Nipomo1
Oceano1
Paso Robles2
San Luis Obispo1
Total Positives for San Luis Obispo County: 9
 
San Mateo County
San Carlos1
San Mateo1
Total Positives for San Mateo County: 2
 
Santa Barbara County
Lompoc1
Total Positives for Santa Barbara County: 1
 
Santa Clara County
Campbell5
Cupertino4
Gilroy5
Los Altos3
Los Gatos7
Monte Sereno1
Morgan Hill3
Palo Alto1
San Jose28
Santa Clara5
Saratoga19
Stanford1
Sunnyvale1
Total Positives for Santa Clara County: 83
 
Santa Cruz County
Aptos1
Felton1
Los Gatos1
Santa Cruz2
Watsonville1
Total Positives for Santa Cruz County: 6
 
Shasta County
Anderson5
Burney3
Cottonwood2
Palo Cedro1
redding1
Redding33
Shasta Lake1
Shingletown2
Total Positives for Shasta County: 48
 
Siskiyou County
Etna1
Yreka3
Total Positives for Siskiyou County: 4
 
Solano County
Fairfield3
Total Positives for Solano County: 3
 
Sonoma County
Geyserville1
Healdsburg1
Petaluma1
Santa Rosa10
Sebastopol3
Windsor3
Total Positives for Sonoma County: 19
 
Stanislaus County
Ceres11
Denair1
Empire2
Hughson5
Keyes1
Modesto71
Oakdale3
Patterson3
Riverbank6
Turlock27
Total Positives for Stanislaus County: 130
 
Sutter County
Live Oak1
Total Positives for Sutter County: 1
 
Tehama County
Corning3
Cottonwood2
Gerber1
Los Molinos4
Manton1
Proberta1
Red Bluff8
Total Positives for Tehama County: 20
 
Trinity County
Weaverville1
Total Positives for Trinity County: 1
 
Tulare County
Dinuba2
Exeter3
Pixley1
Tulare8
Visalia24
Total Positives for Tulare County: 38
 
Tuolumne County
Sonora1
Total Positives for Tuolumne County: 1
 
Ventura County
Camarillo1
Moorpark1
Newbury Park1
Oxnard1
Santa Paula2
Simi Valley1
Thousand Oaks4
Ventura3
Westlake Village1
Total Positives for Ventura County: 15
 
Yolo County
Brooks1
Clarksburg1
Davis11
West Sacramento3
Woodland9
Total Positives for Yolo County: 25
 
Yuba County
Marysville1
Total Positives for Yuba County: 1

Total Positives for all Counties: 1396

Source: Vector-Borne Disease Section, California Department of Public Health