West Nile virus-positive dead birds
by County and City California, 2022

(2023-02-02) - Source: http://westnile.ca.gov

Butte County
Oroville1
Palermo1
Total Positives for Butte County: 2
 
Contra Costa County
Brentwood1
Total Positives for Contra Costa County: 1
 
Fresno County
Fresno2
Total Positives for Fresno County: 2
 
Lake County
Clearlake Oaks1
Lakeport1
Total Positives for Lake County: 2
 
Los Angeles County
Alhambra3
Bellflower1
Cerritos4
Claremont3
Diamond Bar1
Glendale1
Hacienda Heights1
La Crescenta1
Lakewood1
Lancaster1
Long Beach6
Los Angeles9
Monrovia1
North Hills3
Northridge1
Norwalk1
Panorama City1
Pomona1
San Marino2
Santa Monica1
South Pasadena1
Temple City1
West Covina2
Whittier2
Total Positives for Los Angeles County: 49
 
Madera County
Chowchilla2
Total Positives for Madera County: 2
 
Merced County
Merced2
Total Positives for Merced County: 2
 
Nevada County
Nevada City1
Total Positives for Nevada County: 1
 
Orange County
Brea1
Total Positives for Orange County: 1
 
Placer County
Granite Bay1
Meadow Vista1
Roseville3
Total Positives for Placer County: 5
 
Riverside County
Norco2
Riverside3
Total Positives for Riverside County: 5
 
Sacramento County
Antelope1
Carmichael8
Citrus Heights4
Elk Grove1
Elverta1
Fair Oaks2
Folsom1
Mather1
North Highlands1
Rancho Cordova2
Rio Linda1
Sacramento17
Total Positives for Sacramento County: 40
 
San Bernardino County
Chino2
Ontario2
Rancho Cucamonga2
Upland1
Total Positives for San Bernardino County: 7
 
San Joaquin County
Stockton1
Total Positives for San Joaquin County: 1
 
Santa Clara County
Campbell1
Los Altos2
Los Gatos1
Mountain View1
Palo Alto4
San Jose6
Santa Clara2
Sunnyvale9
Total Positives for Santa Clara County: 26
 
Shasta County
Redding1
Total Positives for Shasta County: 1
 
Solano County
Dixon4
Elmira1
Vacaville4
Total Positives for Solano County: 9
 
Sonoma County
Petaluma1
Total Positives for Sonoma County: 1
 
Sutter County
Pleasant Grove1
Yuba City3
Total Positives for Sutter County: 4
 
Tulare County
Visalia2
Total Positives for Tulare County: 2
 
Ventura County
Simi Valley1
Total Positives for Ventura County: 1
 
Yolo County
Davis22
West Sacramento2
Total Positives for Yolo County: 24
 
Yuba County
Marysville1
Total Positives for Yuba County: 1

Total Positives for all Counties: 189

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