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West Nile Virus
Bird
2010
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West Nile Virus:  California - Bird
[Clickable Map of USA]
Siskiyou County Del Norte County Modoc County Humboldt County Trinity County Lassen County Shasta County (4) Humboldt County Tehama County Plumas County Butte County (6) Mendocino County Glenn County (3) Sierra County Yuba County Lake County Nevada County Colusa County (1) Placer County (9) Sutter County (1) El Dorado County (2) Alpine County Yolo County (14) Napa County Sonoma County Sacramento County (115) Mono County (1) Amador County Solano County (1) Calaveras County Tuolumne County Marin County San Joaquin County (26) Solano County (1) Solano County (1) Contra Costa County (8) Solano County (1) Stanislaus County (34) Sacramento County (115) Contra Costa County (8) Alameda County (1) Mariposa County Marin County San Francisco County San Francisco County Alameda County (1) San Francisco County Madera County (13) San Francisco County San Francisco County San Francisco County San Mateo County San Francisco County San Francisco County Merced County (14) Fresno County (22) Santa Clara County (32) Inyo County Santa Cruz County (4) San Benito County Monterey County Tulare County (21) Kings County San Bernardino County (10) San Luis Obispo County Kern County (13) Santa Barbara County Ventura County Los Angeles County (41) Riverside County (1) Santa Barbara County Santa Barbara County Santa Barbara County Santa Barbara County Ventura County Ventura County Ventura County Orange County (17) Los Angeles County (41) San Diego County (2) Santa Barbara County Los Angeles County (41) Imperial County Ventura County Los Angeles County (41) Los Angeles County (41) San Diego County (2) Navigate to Arizona page Navigate to Idaho page Navigate to Nevada page Navigate to Oregon page Navigate to Utah page Navigate to Wyoming page
Map Scalebar 350 km
Cumulative 2010 Data as of 3 am, May 09, 2011*
These data are considered the final 2010 data as of May 9,2011.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Dead Bird Infections by Local Jurisdiction - California, 2010
Alameda County1
Butte County6
Colusa County1
Contra Costa County8
El Dorado County2
Fresno County22
Glenn County3
Kern County13
Los Angeles County41
Madera County13
Merced County14
Mono County1
Orange County17
Placer County9
Riverside County1
Sacramento County115
San Bernardino County10
San Diego County2
San Joaquin County26
Santa Clara County32
Santa Cruz County4
Shasta County4
Solano County1
Stanislaus County34
Sutter County1
Tulare County21
Yolo County14
Cumulative Total Entire State: 416
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.