West Nile virus-positive dead birds
by County and City California, 2012

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

Alameda County
Castro Valley1
Fremont7
Livermore4
Newark2
Pleasanton1
Total Positives for Alameda County: 15
 
Butte County
Biggs3
Chico26
Durham6
Gridley4
Magalia1
Oroville9
Paradise4
Total Positives for Butte County: 53
 
Colusa County
Colusa4
Williams1
Total Positives for Colusa County: 5
 
Contra Costa County
Antioch5
Brentwood17
Clayton1
Concord13
Discovery Bay4
El Sobrante1
Knightsen4
Martinez1
Oakley6
Pleasant Hill7
San Ramon1
Walnut Creek6
Total Positives for Contra Costa County: 66
 
El Dorado County
El Dorado Hills3
South Lake Tahoe2
Total Positives for El Dorado County: 5
 
Fresno County
Clovis3
Firebaugh1
Fowler1
Fresno13
Kerman3
Mendota1
Selma3
Total Positives for Fresno County: 25
 
Glenn County
Glenn1
Orland8
Willows7
Total Positives for Glenn County: 16
 
Kern County
Bakersfield14
Total Positives for Kern County: 14
 
Kings County
Hanford2
Total Positives for Kings County: 2
 
Lake County
Clearlake2
Clearlake Oaks2
Hidden Valley Lake1
Kelseyville2
Lower Lake1
Lucerne2
Total Positives for Lake County: 10
 
Los Angeles County
Acton1
Agoura Hills1
Alhambra2
Altadena2
Arcadia1
Artesia1
Azusa1
Baldwin Park1
Bellflower1
Beverly Hills5
Canoga Park2
Cerritos2
Chatsworth5
Claremont1
Covina5
Culver City39
Downey2
El Monte1
Encino2
Glendale5
Glendora2
Granada Hills5
Industry1
Inglewood2
Irwindale1
La Mirada1
Lancaster4
Long Beach1
Los Angeles67
Marina del Rey1
Monrovia4
Montebello2
Newhall1
North Hollywood2
Northridge6
Panorama City2
Pasadena3
Playa Del Rey1
Reseda6
San Dimas1
San Gabriel4
San Marino1
Santa Monica27
Sherman Oaks8
Sierra Madre3
Studio City1
Sunland1
Sun Valley1
Sylmar1
Torrance1
Valencia1
Valley Village1
Van Nuys4
Venice1
Walnut1
Westchester6
West Covina4
West Hills2
West Hollywood1
Westlake Village1
Whittier3
Winnetka2
Woodland Hills3
Total Positives for Los Angeles County: 271
 
Madera County
Madera2
Total Positives for Madera County: 2
 
Marin County
Ross1
Total Positives for Marin County: 1
 
Mendocino County
Ukiah5
Willits1
Total Positives for Mendocino County: 6
 
Merced County
Atwater19
Delhi1
Dos Palos3
Gustine2
Merced14
Winton3
Total Positives for Merced County: 42
 
Napa County
Saint Helena1
Total Positives for Napa County: 1
 
Nevada County
Grass Valley1
Penn Valley2
Total Positives for Nevada County: 3
 
Orange County
Anaheim16
Brea1
Buena Park3
Cypress2
Fountain Valley4
Fullerton7
Garden Grove13
Huntington Beach3
Irvine1
Laguna Beach1
La Habra2
Los Alamitos1
Mission Viejo1
Newport Beach1
Orange10
Placentia3
Rancho Santa Margarita1
Rossmoor2
San Juan Capistrano1
Santa Ana10
Tustin4
Villa Park2
Westminster1
Total Positives for Orange County: 90
 
Placer County
Auburn3
Elverta1
Granite Bay7
Lincoln18
Loomis1
Loomis 1
Newcastle1
Rocklin6
Roseville23
Total Positives for Placer County: 61
 
Riverside County
Murrieta1
Norco1
Riverside3
Total Positives for Riverside County: 5
 
Sacramento County
Antelope7
Carmichael21
Citrus Heights18
Elk Grove60
Elverta5
Fair Oaks15
Folsom10
Foothill Farms1
Galt34
Gold River5
Herald2
Hood1
Isleton2
Mcclellan1
North Highlands5
Orangevale11
Rancho Cordova18
Rancho Murieta16
Rio Linda6
Sacramento196
Sloughhouse1
Walnut Grove1
Wilton30
Total Positives for Sacramento County: 466
 
San Bernardino County
Alta Loma1
Apple Valley1
Chino12
Chino Hills2
Grand Terrace1
Highland1
Montclair2
Ontario3
Phelan1
Rancho Cucamonga8
San Bernardino3
Upland2
Yucaipa2
Total Positives for San Bernardino County: 39
 
San Diego County
Carlsbad1
San Diego1
Total Positives for San Diego County: 2
 
San Francisco County
San Francisco1
Total Positives for San Francisco County: 1
 
San Joaquin County
Banta1
Clements1
Escalon1
French Camp2
Lathrop5
Lockeford2
Lodi8
Manteca7
Ripon2
Stockton22
Tracy6
Woodbridge1
Total Positives for San Joaquin County: 58
 
San Luis Obispo County
Atascadero1
Total Positives for San Luis Obispo County: 1
 
San Mateo County
Belmont1
Emerald Lake Hills1
Foster City1
Half Moon Bay1
Redwood City1
Total Positives for San Mateo County: 5
 
Santa Clara County
Los Altos2
Morgan Hill1
Mountain View2
San Jose12
Santa Clara3
Total Positives for Santa Clara County: 20
 
Santa Cruz County
Los Gatos1
Total Positives for Santa Cruz County: 1
 
Shasta County
Anderson12
City of Shasta Lake1
Cottonwood4
Cottonwood, CA1
Palo Cedro3
Redding15
Total Positives for Shasta County: 36
 
Solano County
Dixon9
Fairfield5
Rio Vista1
Suisun City2
Vacaville10
Vallejo1
Total Positives for Solano County: 28
 
Sonoma County
Cloverdale1
Santa Rosa6
Sebastopol1
Total Positives for Sonoma County: 8
 
Stanislaus County
Ceres10
Denair1
Hughson3
Modesto23
Newman1
Oakdale4
Patterson2
Turlock7
Total Positives for Stanislaus County: 51
 
Sutter County
Live Oak4
Pleasant Grove2
Sutter2
Yuba City21
Total Positives for Sutter County: 29
 
Tehama County
Cottonwood2
Red Bluff3
Total Positives for Tehama County: 5
 
Tulare County
Goshen3
Tulare9
Visalia42
Total Positives for Tulare County: 54
 
Ventura County
Moorpark3
Oak Park1
Simi Valley34
Total Positives for Ventura County: 38
 
Yolo County
Capay1
Clarksburg2
Davis44
Dunnigan1
Esparto4
West Sacramento11
Winters1
Woodland34
Total Positives for Yolo County: 98
 
Yuba County
Browns Valley1
Linda1
Marysville6
Olivehurst3
Total Positives for Yuba County: 11

Total Positives for all Counties: 1644

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