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West Nile Virus
Human
2006
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West Nile Virus:  California - Human
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Siskiyou County Del Norte County Modoc County (2) Humboldt County Trinity County Lassen County Shasta County (4) Humboldt County Tehama County (6) Plumas County Butte County (31) Mendocino County Glenn County (12) Sierra County Yuba County (5) Lake County (2) Nevada County (1) Colusa County (4) Placer County (8) Sutter County (12) El Dorado County (2) Alpine County Yolo County (27) Napa County (1) Sonoma County Sacramento County (15) Mono County (1) Amador County Solano County (8) Calaveras County Tuolumne County Marin County (1) San Joaquin County (8) Solano County (8) Solano County (8) Contra Costa County (8) Solano County (8) Stanislaus County (11) Sacramento County (15) Contra Costa County (8) Alameda County (1) Mariposa County Marin County (1) San Francisco County San Francisco County Alameda County (1) San Francisco County Madera County San Francisco County San Francisco County San Francisco County San Mateo County San Francisco County San Francisco County Merced County (4) Fresno County (11) Santa Clara County (5) Inyo County Santa Cruz County San Benito County Monterey County Tulare County (6) Kings County (1) San Bernardino County (3) San Luis Obispo County (1) Kern County (49) Santa Barbara County Ventura County (3) Los Angeles County (13) Riverside County (4) Santa Barbara County Santa Barbara County Santa Barbara County Santa Barbara County Ventura County (3) Ventura County (3) Ventura County (3) Orange County (6) Los Angeles County (13) San Diego County (1) Santa Barbara County Los Angeles County (13) Imperial County (1) Ventura County (3) Los Angeles County (13) Los Angeles County (13) San Diego County (1) 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 2006 Data as of 3 am, May 01, 2007*
These data are provisional and may be revised or adjusted in the future.
[Epi curve - Vertical bar graph showing number of incidents for each of 52 weeks]
Cumulative Human Disease Cases by County - California, 2006
Alameda County1
Butte County31
Colusa County4
Contra Costa County8
El Dorado County2
Fresno County11
Glenn County12
Imperial County1
Kern County49
Kings County1
Lake County2
Los Angeles County13
Marin County1
Merced County4
Modoc County2
Mono County1
Napa County1
Nevada County1
Orange County6
Placer County8
Riverside County4
Sacramento County15
San Bernardino County3
San Diego County1
San Joaquin County8
San Luis Obispo County1
Santa Clara County5
Shasta County4
Solano County8
Stanislaus County11
Sutter County12
Tehama County6
Tulare County6
Ventura County3
Yolo County27
Yuba County5
Cumulative Total Entire State: 278
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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.