Case Counts by County

CountyDead birds
Alameda85
Alpine-
Amador-
Butte19
Calaveras-
Colusa4
Contra Costa38
Del Norte-
El Dorado3
Fresno9
Glenn4
Humboldt2
Imperial-
Inyo-
Kern3
Kings3
Lake16
Lassen-
Los Angeles57
Madera5
Marin3
Mariposa-
Mendocino-
Merced1
Modoc-
Mono-
Monterey-
Napa12
Nevada-
Orange291
Placer38
Plumas-
Riverside1
Sacramento271
San Benito-
San Bernardino12
San Diego7
San Francisco-
San Joaquin45
San Luis Obispo-
San Mateo14
Santa Barbara-
Santa Clara836
Santa Cruz1
Shasta5
Sierra-
Siskiyou-
Solano32
Sonoma19
Stanislaus39
Sutter19
Tehama-
Trinity-
Tulare40
Tuolumne-
Ventura4
Yolo63
Yuba16
Total2017

WNV Activity by County
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2014 | 2013 | 2012
2011 | 2010 | 2009
2008 | 2007

Submitting a Dead Bird for West Nile virus Testing: What happens after a dead bird report is submitted?

Last Updated: 06 14, 2012

FAQs

How does a dead bird get picked up?
If the dead bird is suitable for West Nile virus (WNV) testing, the hotline staff will contact your local vector control agency. The agency will send a technician to the area to pick up the carcass and send it to the appropriate lab for testing.

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How do I get the dead bird ready to be picked up?
Use gloves or a shovel to place the carcass into a double plastic bag for pick-up. Doing this keeps ants, maggots, and other insects away from the carcass. This also makes it easier for the technician to pick up the dead bird.

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Where should I leave the dead bird for the technician to pick up?
Dead birds that qualify for WNV testing should be left in a shaded area, preferably on a front porch that is easily accessible to the technician.

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What time will the technician come to pick up the dead bird?
There is no designated time for a technician to come and pick up the dead bird. All pick- ups are based on the agency's staffing availability. We report the birds to local agencies ? it is up to the local agency when the bird will be picked up.

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What if the technician doesn't come pick the bird up?
Due to staffing availability at local agencies, we cannot guarantee that a technician will be able to pick the dead bird up. Therefore, if a carcass is not picked up by 5pm the day that it was reported, we ask that you dispose of the bird in an outside trash can.

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What if the a dead bird isn?t suitable for testing?
Regardless of whether the bird is submitted for testing or not, every dead bird report is still extremely important. Dead bird reports are used for our surveillance program to detect areas of high WNV activity. Local vector control agencies also use the information to assist in mosquito control.

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Compared to previous year and previous five-year average to date

As of Sep 17, 2014201420135Y AVG
Counties384137
Human cases31115095
Dead birds20171067727
Mosquito samples285321731643
Sentinel chickens302330253
YTD - Year to date corresponds to the same time last year or last five years.

- view all 2013 YTD activity -

WNV Reports

Weekly Report

09.17 2014 YTD WNV Activity Map
09.16 2014 US Arboviral Activity Update
09.12 Arbovirus Bulletin #30

Humans

09.15 2014 Human WNV Incidence Report
09.15 2003-2014 WNV Case Summary
08.12 2013 Human WNV Incidence Report

Dead Birds

09.17Reported, Tested, Positive 2014
09.17Positive Counts by City/County for 2014
09.17Positive Species for 2014

Mosquitoes

09.12 AMOR - EVS Week 36
09.12 AMOR - GRAVID Week 36
09.12 AMOR - NJLT Week 36
- view report archives -