Case Counts by County

CountyDead birds
Alameda64
Alpine-
Amador-
Butte18
Calaveras-
Colusa4
Contra Costa30
Del Norte-
El Dorado1
Fresno8
Glenn4
Humboldt2
Imperial-
Inyo-
Kern3
Kings2
Lake15
Lassen-
Los Angeles35
Madera4
Marin3
Mariposa-
Mendocino-
Merced1
Modoc-
Mono-
Monterey-
Napa9
Nevada-
Orange228
Placer27
Plumas-
Riverside-
Sacramento238
San Benito-
San Bernardino9
San Diego7
San Francisco-
San Joaquin40
San Luis Obispo-
San Mateo9
Santa Barbara-
Santa Clara769
Santa Cruz1
Shasta3
Sierra-
Siskiyou-
Solano32
Sonoma15
Stanislaus31
Sutter19
Tehama-
Trinity-
Tulare38
Tuolumne-
Ventura2
Yolo46
Yuba16
Total1733

WNV Activity by County
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2011 | 2010 | 2009
2008 | 2007

News

At the Twilight's Last Gleam - Be Sure Repellent is on Your TEAM!

Jul 1, 2010

Independence Day is upon us once again! Many of us will be celebrating America's "Birthday" in the evenings, outdoors, with fireworks, barbecues and family gatherings.

And you won't be alone! West Nile virus carrying mosquitoes could be celebrating with you! Reduce your chances of being bitten and infected with West Nile virus by following these few simple repellent guidelines:

Apply a repellent containing DEET, picaridin, oil of lemon eucalyptus or IR3535 before going outside. Always follow the label directions carefully and reapply as necessary.

Use just enough repellent to cover exposed skin. Heavy application doesn't mean longer protection.

When using spray repellents do not spray directly on face--spray on hands first and then apply to face.

Do not allow children to handle the product. When using on children, apply to your own hands first and then put it on the child.

For more information on mosquito repellents and West Nile virus visit: http://www.cdc.gov/ncidod/dvbid/westnile/RepellentUpdates.htm

Locate Your Local Mosquito and Vector Control Agency
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Compared to previous year and previous five-year average to date

As of Aug 29, 2014201420135Y AVG
Counties364134
Human cases1298646
Dead birds1733907572
Mosquito samples248518541374
Sentinel chickens242267177
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2013 YTD activity -

WNV Reports

Weekly Report

08.29 Arbovirus Bulletin #28
08.29 2014 YTD WNV Activity Map
08.26 2014 US Arboviral Activity Update

Humans

08.25 2014 Human WNV Incidence Report
08.25 2003-2014 WNV Case Summary
08.12 2013 Human WNV Incidence Report

Dead Birds

08.29Reported, Tested, Positive 2014
08.29Positive Counts by City/County for 2014
08.29Positive Species for 2014

Mosquitoes

08.22 AMOR - EVS Week 33
08.22 AMOR - GRAVID Week 33
08.22 AMOR - NJLT Week 33
- view report archives -