West Nile virus surfaces in Stanislaus County

kcarlson@modbee.comJune 19, 2014 

  • Play it safe

    Simple steps to protect against mosquito bites and West Nile virus:

    • Avoid spending time outside when mosquitoes are most active – especially the first two hours after sunset.

    • When outdoors, wear long pants, long-sleeved shirts and other protective clothing.

    • Exclude mosquitoes from your home with tight-fitting screens on windows and doors.

    • Apply insect repellent containing DEET when outdoors.

    • In addition to DEET-based products, the Centers for Disease Control and Prevention also recommends repellents containing oil of lemon eucalyptus and Picariden.

Based on test samples from multiple dead birds and mosquitoes, officials said Thursday that Stanislaus County residents are at risk of contracting West Nile disease.

The county’s two mosquito abatement districts said Thursday that the potentially deadly virus was present in Modesto, Turlock, Hughson and Valley Home after samples from five dead birds and three mosquito pools tested positive. The endemic illness is expected to be a threat everywhere in the county by the Fourth of July weekend, when thousands of people will be outdoors enjoying festivities.

“This early detection of so much West Nile virus activity, not only in Stanislaus County but the state in general, has us concerned,” said David Heft, general manager of the Turlock Mosquito Abatement District.

The district cited scientific evidence that suggests the warm spring temperatures this year will result in higher incidence of West Nile illness later in the summer. Officials hope to raise awareness about the health threat so people can take precautions, such as applying insect repellant, before going outside in short sleeves and cutoffs.

As of Wednesday, the virus that causes neurological illness had been detected in 18 counties in California. There were no reports of people stricken with illness.

Symptoms of the milder form of West Nile illness – headache, joint pain, vomiting, rash or fatigue – can last for several weeks or months. About 20 percent of people infected will experience symptoms. Fewer than 1 percent develop encephalitis with high fever, neck stiffness, disorientation, tremors, coma or paralysis.

California had 379 reported cases of the illness, including 15 that resulted in death, last year.

In Stanislaus County, the East Side and Turlock mosquito abatement districts arrange for tests on mosquitoes and dead birds to identify where the virus is present. The districts spray insecticides in those areas and use other measures to reduce mosquito counts.

Officials are urging residents to eliminate standing water around their homes where mosquitoes can lay their eggs. It’s good to change the water in pet dishes and birdbaths regularly. Other potential havens for mosquitoes are rain gutters, flower pots and old tires. Mosquitoes are most active at dawn and during the two hours after sunset.

County residents may report mosquito problems to the abatement districts. Residents of Modesto and other communities north of the Tuolumne River may call the East Side Mosquito Abatement District at (209) 522-4098. For everyone else, the Turlock Mosquito Abatement District can be reached at (209) 634-1234. Report dead birds, such as crows and magpies, by calling a state hot line at (877) 968-2473.

Bee staff writer Ken Carlson can be reached at kcarlson@modbee.com or (209) 578-2321.

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