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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Response Plans and GuidelinesMosquito Control and Repellent InformationPesticides2007 WNV State of EmergencyEducational Brochures and FlyersEducational VideosRadio SpotsTV SpotsLocal Agency Public Education ResourcesClinician InformationVeterinarian and Horse Owner InformationWNV WorkshopsTutorialsFormsCommon LinksEducational Brochures and Flyers in Spanish
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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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