West Nile virus-positive dead birds
by County and City California, 2017

(2017-11-19) - Source: http://www.westnile.ca.gov

Alameda County
Castro Valley1
Oakland1
Total Positives for Alameda County: 2
 
Butte County
Biggs1
Chico3
Oroville1
Total Positives for Butte County: 5
 
Colusa County
Colusa1
Total Positives for Colusa County: 1
 
Contra Costa County
Alamo1
Antioch1
Brentwood1
Danville2
Discovery Bay1
Martinez2
Pleasant Hill2
San Ramon1
Walnut Creek8
Total Positives for Contra Costa County: 19
 
El Dorado County
Garden Valley1
South Lake Tahoe1
Total Positives for El Dorado County: 2
 
Fresno County
Firebaugh1
Fresno4
Total Positives for Fresno County: 5
 
Glenn County
Artois1
Orland1
Total Positives for Glenn County: 2
 
Humboldt County
Carlotta1
Total Positives for Humboldt County: 1
 
Kern County
Bakersfield3
Total Positives for Kern County: 3
 
Kings County
Hanford1
Total Positives for Kings County: 1
 
Lake County
Clearlake1
Clearlake Oaks1
Lakeport2
Lower Lake1
Total Positives for Lake County: 5
 
Los Angeles County
Agoura Hills1
Alhambra2
Altadena1
Arcadia4
Bassett1
Cerritos1
Chatsworth1
Covina3
Culver City4
Downey1
Duarte1
Encino1
Glassel Park1
Glendora1
Granada Hills3
Hollywood Hills1
Juniper Hills1
Lakewood1
La Puente1
La Verne1
Long Beach5
Los Angeles13
Los Angeles 1
Monrovia2
Northridge1
Palmdale1
Pasadena3
Playa Del Rey1
Rosemead2
San Dimas1
San Fernando1
San Gabriel4
San Marino1
Santa Clarita3
Santa Monica6
Sherman Oaks3
South Pasadena1
Sun valley1
Sylmar1
Tarzana3
Temple City2
Thousand Oaks1
Torrance1
unknown1
Valencia1
Venice1
West Covina1
West Hills1
West Hollywood2
Whittier1
Woodland Hills3
Total Positives for Los Angeles County: 100
 
Madera County
Madera1
Total Positives for Madera County: 1
 
Marin County
Novato1
Total Positives for Marin County: 1
 
Merced County
Los Banos1
Total Positives for Merced County: 1
 
Monterey County
Salinas1
Total Positives for Monterey County: 1
 
Nevada County
Grass Valley1
Total Positives for Nevada County: 1
 
Orange County
Anaheim10
Anaheim Hills1
Buena Park3
Cypress1
Fountain Valley2
Fullerton4
Garden Grove3
Huntington Beach1
Irvine4
Ladera Ranch1
La Habra5
Lake Forest2
Mission Viejo1
Orange3
Placentia3
Riverside1
Silverado1
Stanton1
Tustin3
Westminster1
Yorba Linda4
Total Positives for Orange County: 55
 
Placer County
Granite Bay1
Lincoln1
Roseville2
Total Positives for Placer County: 4
 
Riverside County
Corona10
Norco21
Riverside10
Total Positives for Riverside County: 41
 
Sacramento County
Carmichael5
Citrus Heights1
Courtland1
Elk Grove11
Elverta1
Folsom1
Galt3
Mather1
Rancho Cordova2
Rancho Murieta2
Rio Linda3
Rosemont5
Sacramento42
Wilton8
Total Positives for Sacramento County: 86
 
San Bernardino County
Alta Loma1
Bloomington1
Chino2
Chino Hills5
Fontana1
Highland2
Montclair1
Ontario4
Rancho Cucamonga2
Redlands1
San Bernardino1
Upland6
Yucaipa18
Total Positives for San Bernardino County: 45
 
San Diego County
Aguanga3
Alpine1
Campo1
Carlsbad1
Descanso2
El Cajon3
Escondido8
Guatay1
Imperial Beach1
jamul1
Julian2
La Mesa1
Oceanside2
San Diego5
Santa Ysabel2
Santee4
Valley Center1
Vista2
Total Positives for San Diego County: 41
 
San Francisco County
San Francisco1
Total Positives for San Francisco County: 1
 
San Joaquin County
Escalon1
Manteca1
Ripon2
Stockton2
Tracy1
Total Positives for San Joaquin County: 7
 
San Luis Obispo County
Arroyo Grande1
Atascadero2
Paso Robles1
San Luis Obispo1
Templeton1
Total Positives for San Luis Obispo County: 6
 
San Mateo County
Redwood City1
Total Positives for San Mateo County: 1
 
Santa Barbara County
Santa Ynez1
Total Positives for Santa Barbara County: 1
 
Santa Clara County
Campbell 1
Cupertino1
Gilroy1
Los Altos3
Los Gatos1
Palo Alto1
San Jose3
San Martin1
Santa Clara1
Total Positives for Santa Clara County: 13
 
Santa Cruz County
Santa Cruz1
Total Positives for Santa Cruz County: 1
 
Shasta County
Anderson2
Total Positives for Shasta County: 2
 
Solano County
Fairfield1
Vacaville1
Vallejo2
Total Positives for Solano County: 4
 
Sonoma County
Petaluma1
Rohnert Park1
Santa Rosa1
Sonoma2
Total Positives for Sonoma County: 5
 
Stanislaus County
Ceres1
Denair1
Modesto1
Turlock3
Total Positives for Stanislaus County: 6
 
Sutter County
Yuba City3
Total Positives for Sutter County: 3
 
Tulare County
Visalia8
Total Positives for Tulare County: 8
 
Ventura County
Simi Valley2
Total Positives for Ventura County: 2
 
Yolo County
Davis12
West Sacramento1
Woodland1
Total Positives for Yolo County: 14
 
Yuba County
Marysville4
Olivehurst1
Wheatland1
Total Positives for Yuba County: 6

Total Positives for all Counties: 503

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