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First Detection of Mosquito-Borne Disease in Kern County Mosquito Population for 2026

The first mosquito sample has been confirmed for West Nile virus (WNV) in Kern County this year.
Post Date:06/26/2026 3:55 PM

West Nile virus is spread primarily through the bite of an infected mosquito. While most people who become infected experience no symptoms or only mild illness, some individuals can develop a serious illness that, in rare cases, can be fatal.

At this time, no human cases of West Nile virus have been reported in Kern County. However, the detection of the virus in the local mosquito population serves as an important reminder for residents to take simple steps to reduce mosquito breeding around their homes and protect themselves from mosquito bites.

Reduce mosquito breeding sites:

  • Remove standing or stagnate water from containers such flowerpots, fountains, birdbaths, pet bowls, and wading pools.
  • Clean/scrub containers that collect water weekly to remove any potential mosquito eggs.
  • Maintain swimming pools in working condition.
  • Stock garden ponds with fish that eat mosquito larvae.
  • Report areas of mosquito infestation to your local vector control district.

Decrease risk of mosquito-transmitted infections:

  • Avoid mosquitoes and mosquito-infested areas at all times of the day.
  •  Wear long-sleeved shirts and long pants when outdoors.
  •  Apply mosquito repellant to exposed skin when outdoors.
  • Ensure doors and windows have screens in good repair to keep mosquitoes out of your home.

Although the first positive mosquito sample has been identified in the 93313-zip code, it is important for everyone to take precautions to avoid mosquito bites. Contact your local mosquito and vector control agency if there is a significant mosquito problem where you live, work, or play. Please visit our regularly updated interactive webpage for more information.

Media Contact: Michelle Corson, 661-868-0288.

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