Case Counts by County
| County | Human cases | | Alameda | - | | Alpine | - | | Amador | - | | Butte | - | | Calaveras | - | | Colusa | - | | Contra Costa | - | | Del Norte | - | | El Dorado | - | | Fresno | - | | Glenn | - | | Humboldt | - | | Imperial | - | | Inyo | - | | Kern | - | | Kings | - | | Lake | - | | Lassen | - | | Los Angeles | - | | Madera | - | | Marin | - | | Mariposa | - | | Mendocino | - | | Merced | - | | Modoc | - | | Mono | - | | Monterey | - | | Napa | - | | Nevada | - | | Orange | - | | Placer | - | | Plumas | - | | Riverside | - | | Sacramento | - | | San Benito | - | | San Bernardino | - | | San Diego | - | | San Francisco | - | | San Joaquin | - | | San Luis Obispo | - | | San Mateo | - | | Santa Barbara | - | | Santa Clara | - | | Santa Cruz | - | | Shasta | - | | Sierra | - | | Siskiyou | - | | Solano | - | | Sonoma | - | | Stanislaus | - | | Sutter | - | | Tehama | - | | Trinity | - | | Tulare | - | | Tuolumne | - | | Ventura | - | | Yolo | - | | Yuba | - |
| Total | 0 |
| County | Horses | | Alameda | - | | Alpine | - | | Amador | - | | Butte | - | | Calaveras | - | | Colusa | - | | Contra Costa | - | | Del Norte | - | | El Dorado | - | | Fresno | - | | Glenn | - | | Humboldt | - | | Imperial | - | | Inyo | - | | Kern | - | | Kings | - | | Lake | - | | Lassen | - | | Los Angeles | - | | Madera | - | | Marin | - | | Mariposa | - | | Mendocino | - | | Merced | - | | Modoc | - | | Mono | - | | Monterey | - | | Napa | - | | Nevada | - | | Orange | - | | Placer | - | | Plumas | - | | Riverside | - | | Sacramento | - | | San Benito | - | | San Bernardino | - | | San Diego | - | | San Francisco | - | | San Joaquin | - | | San Luis Obispo | - | | San Mateo | - | | Santa Barbara | - | | Santa Clara | - | | Santa Cruz | - | | Shasta | - | | Sierra | - | | Siskiyou | - | | Solano | - | | Sonoma | - | | Stanislaus | - | | Sutter | - | | Tehama | - | | Trinity | - | | Tulare | - | | Tuolumne | - | | Ventura | - | | Yolo | - | | Yuba | - |
| Total | 0 |
| County | Dead birds | | Alameda | - | | Alpine | - | | Amador | - | | Butte | - | | Calaveras | - | | Colusa | - | | Contra Costa | - | | Del Norte | - | | El Dorado | - | | Fresno | - | | Glenn | - | | Humboldt | - | | Imperial | - | | Inyo | - | | Kern | - | | Kings | - | | Lake | - | | Lassen | - | | Los Angeles | - | | Madera | - | | Marin | - | | Mariposa | - | | Mendocino | - | | Merced | - | | Modoc | - | | Mono | - | | Monterey | - | | Napa | - | | Nevada | - | | Orange | - | | Placer | - | | Plumas | - | | Riverside | - | | Sacramento | 1 | | San Benito | - | | San Bernardino | - | | San Diego | - | | San Francisco | - | | San Joaquin | - | | San Luis Obispo | - | | San Mateo | - | | Santa Barbara | - | | Santa Clara | 1 | | Santa Cruz | - | | Shasta | - | | Sierra | - | | Siskiyou | - | | Solano | - | | Sonoma | - | | Stanislaus | - | | Sutter | - | | Tehama | - | | Trinity | - | | Tulare | - | | Tuolumne | - | | Ventura | - | | Yolo | - | | Yuba | - |
| Total | 2 |
| County | Mosquito samples | | Alameda | - | | Alpine | - | | Amador | - | | Butte | - | | Calaveras | - | | Colusa | - | | Contra Costa | - | | Del Norte | - | | El Dorado | - | | Fresno | - | | Glenn | - | | Humboldt | - | | Imperial | - | | Inyo | - | | Kern | - | | Kings | - | | Lake | - | | Lassen | - | | Los Angeles | - | | Madera | - | | Marin | - | | Mariposa | - | | Mendocino | - | | Merced | - | | Modoc | - | | Mono | - | | Monterey | - | | Napa | - | | Nevada | - | | Orange | - | | Placer | - | | Plumas | - | | Riverside | - | | Sacramento | - | | San Benito | - | | San Bernardino | - | | San Diego | - | | San Francisco | - | | San Joaquin | - | | San Luis Obispo | - | | San Mateo | - | | Santa Barbara | - | | Santa Clara | - | | Santa Cruz | - | | Shasta | - | | Sierra | - | | Siskiyou | - | | Solano | - | | Sonoma | - | | Stanislaus | - | | Sutter | - | | Tehama | - | | Trinity | - | | Tulare | - | | Tuolumne | - | | Ventura | - | | Yolo | - | | Yuba | - |
| Total | 0 |
| County | Sentinel chickens | | Alameda | - | | Alpine | - | | Amador | - | | Butte | - | | Calaveras | - | | Colusa | - | | Contra Costa | - | | Del Norte | - | | El Dorado | - | | Fresno | - | | Glenn | - | | Humboldt | - | | Imperial | - | | Inyo | - | | Kern | - | | Kings | - | | Lake | - | | Lassen | - | | Los Angeles | - | | Madera | - | | Marin | - | | Mariposa | - | | Mendocino | - | | Merced | - | | Modoc | - | | Mono | - | | Monterey | - | | Napa | - | | Nevada | - | | Orange | - | | Placer | - | | Plumas | - | | Riverside | - | | Sacramento | - | | San Benito | - | | San Bernardino | - | | San Diego | - | | San Francisco | - | | San Joaquin | - | | San Luis Obispo | - | | San Mateo | - | | Santa Barbara | - | | Santa Clara | - | | Santa Cruz | - | | Shasta | - | | Sierra | - | | Siskiyou | - | | Solano | - | | Sonoma | - | | Stanislaus | - | | Sutter | - | | Tehama | - | | Trinity | - | | Tulare | - | | Tuolumne | - | | Ventura | - | | Yolo | - | | Yuba | - |
| Total | 0 |
| County | Squirrels | | Alameda | - | | Alpine | - | | Amador | - | | Butte | - | | Calaveras | - | | Colusa | - | | Contra Costa | - | | Del Norte | - | | El Dorado | - | | Fresno | - | | Glenn | - | | Humboldt | - | | Imperial | - | | Inyo | - | | Kern | - | | Kings | - | | Lake | - | | Lassen | - | | Los Angeles | - | | Madera | - | | Marin | - | | Mariposa | - | | Mendocino | - | | Merced | - | | Modoc | - | | Mono | - | | Monterey | - | | Napa | - | | Nevada | - | | Orange | - | | Placer | - | | Plumas | - | | Riverside | - | | Sacramento | - | | San Benito | - | | San Bernardino | - | | San Diego | - | | San Francisco | - | | San Joaquin | - | | San Luis Obispo | - | | San Mateo | - | | Santa Barbara | - | | Santa Clara | - | | Santa Cruz | - | | Shasta | - | | Sierra | - | | Siskiyou | - | | Solano | - | | Sonoma | - | | Stanislaus | - | | Sutter | - | | Tehama | - | | Trinity | - | | Tulare | - | | Tuolumne | - | | Ventura | - | | Yolo | - | | Yuba | - |
| Total | 0 |
WNV Activity by County
Printable Version
2012 |
2011 |
2010
2009 |
2008 |
2007
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All media inquiries, including requests for interviews, should be directed to the California Department of Public Health, Office of Public Affairs at 916-440-7259 or via email at CDPHPress@cdph.ca.gov.
NewsPress Releases
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Locate Your Local Mosquito and Vector Control Agency
Compared to 2011 YTD
| As of Feb 08, 2012 | 2011 | 2012 |
| Counties | 0 | 2 |
| Human cases | 0 | 0 | | Horses | 0 | 0 | | Dead birds | 0 | 2 | | Mosquito samples | 0 | 0 | | Sentinel chickens | 0 | 0 | | Squirrels | 0 | 0 |
2011 YTD - Year to date corresponds to the same time last year.
- view all 2011 YTD activity -
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WNV Reports
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