Additional Mosquitoes Test Positive For WNV In Sonoma County

Release date: 
Sep 25
Cotati, CA-The Marin/Sonoma Mosquito & Vector Control District announced today that additional West Nile virus (WNV) activity has been detected in Sonoma County. Mosquitoes collected from a section of the Laguna de Santa Rosa flood control channel that runs between Millbrae Avenue and Whistler Avenue in Santa Rosa have tested positive for WNV. 
Residents are urged to take the following personal protection measures:
  • Wear mosquito repellent when outdoors at dusk and dawn. Use a repellent containing one of the following active ingredients: DEET, Picaridin, oil of lemon eucalyptus, or IR3535. 
  • Wear long sleeved shirts and long pants
  • Check septic tank lids to ensure a tight seal, repair cracks and screen vent pipes using a fine mesh screen (1/16 of an inch).
  • Report mosquito problems, neglected swimming pools, or any area that could be producing mosquitoes at or 1-800-231-3236.

 2015 West Nile Virus Activity:

Marin County: 3 dead birds and 1 human have tested positive for West Nile virus
Sonoma County: 7 dead birds and 11 mosquito samples have tested positive for West Nile virus