Home Contra Costa County Three Dead Birds in Oakley Test Positive for West Nile Virus

Three Dead Birds in Oakley Test Positive for West Nile Virus

by ECT

Contra Costa Mosquito and Vector Control District

CONCORD, CALIFORNIA – – The Contra Costa Mosquito & Vector Control District confirmed today that three dead American crows found in Oakley tested positive for West Nile virus. Last year in Oakley, a total of three dead birds and one chicken tested positive for the virus.

“West Nile virus is largely preventable through mosquito control and personal protection measures,” said the District’s Public Affairs Manager Deborah Bass. “Both are the responsibility of all of us because mosquitoes breed heavily in our own yards. Even a soda cap of water can be enough water for mosquitoes to thrive.”

Birds are the reservoir for West Nile virus. The two species of mosquitoes in Contra Costa County capable of transmitting the virus prefer to feed on birds; however, people can become infected when a mosquito bites an infected bird and then a person. West Nile virus symptoms of the mild form include fever, headache, tiredness, body aches, and swollen lymph glands. While the illness can last only a few days, even healthy people have reported being sick for several weeks. West Nile virus of the severe form can be fatal.

Residents are urged to help reduce their risk of contracting mosquito-borne diseases by following these guidelines:

  • Dump or drain standing water. Mosquitoes can’t begin their lives without water.
  • Defend yourself against mosquitoes by using repellents containing DEET, Picaridin, or Oil of Lemon Eucalyptus.
  • Avoid being outdoors when mosquitoes are present, typically dawn and dusk.
  • Report neglected swimming pools by calling 925-771-6195 or visiting www.ContraCostaMosquito.com  Anonymous calls accepted. Just one neglected pool can produce more than 1 million mosquitoes and affect people up to five miles away.
  • Report dead birds to the state hotline: 1-877-968-2473. All reports are crucial, even if the bird does not meet criteria for testing.

Since 2005, 47 people in Contra Costa County have been diagnosed with West Nile virus. In 2006, two people died from the disease. Recent studies have shown that the majority of cases are not diagnosed and grossly under reported. For 2014, a total of six dead birds have tested positive for the virus.

Visit the District’s website or click on these links for current West Nile virus activity  or to receive automatic emails for when the District fogs for adult mosquitoes.

Contra Costa Mosquito & Vector Control District, an independent special district and public health agency, is located at 155 Mason Circle in Concord. Call the District to report mosquito problems at (925) 771-6195 or visit their office between 8:00 a.m. and 4:30 p.m. to get FREE mosquitofish for ornamental ponds, horse troughs or neglected swimming pools.

Editors Note:
The locations of the three birds were:

  • Empire Ave. x Main St. (6/14)
  • Empire Ave. x Hemlock Dr. (6/17)
  • Empire Ave. x Hemlock Dr. (6/17)

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West Nile Virus Confirmed in Mosquitoes and Chicken Near Brentwood | East County Today Jul 2, 2014 - 5:12 am

[…] June 20, the District announced three dead birds in Oakley tested positive for West Nile Virus along with the first human case. The first case of West Nile in […]

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