West Nile Virus Found in Dead Bird

Alameda County Mosquito Abatement District say dead bird found in town tested positive for West Nile virus.

Bay City News Service

The first bird in Alameda County to test positive for West Nile Virus this year was detected Friday, the Alameda County Mosquito
Abatement District manager said.

The crew found the dead crow in Livermore Thursday after someone called the West Nile Virus hotline and reported the bird in the area, district manager John Rusmisel said.

Testing this morning at Hayward facilities revealed the bird was the first "acutely positive" bird in Alameda County, Rusmisel said.

Crows and ravens are good indicators that the virus is being spread within the county limits as they die quickly after infection from mosquitoes, Rusmisel said.

Other birds, such as sparrows, can live and fly far distances while carrying the virus for months, throwing off where the infection was contracted.

That the infected crow was found in Livermore, which is part of the Tri-Valley area, is not surprising, the district manager said.

"We predict that the Tri-Valley area, being the warmest part of the county, will be the focus of West Nile Virus infections this year."          

Rusmisel advised residents to check outdoor spaces for standing water.

Other tips to prevent residents from mosquito bites and therefore West Nile Virus, which is spread through the bugs, include avoiding spending time outdoors at dusk and dawn, wearing DEET insect repellent and dressing appropriately when outdoors in buggy areas.

For more information about mosquitoes and West Nile Virus visit mosquitoes.org.

Alameda County Mosquito Abatement District August 20, 2012 at 09:51 PM
Herb, call our office (510-783-7744) or visit our website (www.mosquitoes.org) to report mosquito issues. We respond to mosquito biting complaints, standing water issues, mosquito fish requests, and offer school and community educational presentations. All services are free of charge. @John thanks for the information!
Alameda County Mosquito Abatement District August 20, 2012 at 10:16 PM
We are increasing surveillance (CO2 baited adult mosquito trapping), inspections of any standing water, and treatments of larval mosquito sources around the area where the dead bird was found. We keep on eye on Arroyo Las Positas to make sure it doesn't produce mosquitoes but thanks to a healthy fish supply it is rarely a problem. Most mosquitoes in the area are produced from stagnant water in underground catch basins and storm drains. Neglected swimming pools in the Tri-Valley area are also a source of many mosquitoes.
Ly August 21, 2012 at 04:39 AM
Saw the A.C.M.A.D. Jeep driving north on Portola from Murrieta, this afternoon. Now I know why.
Theresa Crews August 30, 2012 at 07:44 PM
I work off of Airway and we currently have a dead crow laying on the front lawn, should i call to have this bird checked out as well? And, who should I call?
Quinn August 30, 2012 at 08:49 PM
Maybe they should put mosquito eating fish in all catch basin and storm drains though out all of Alameda county.


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