Placer County detects first West Nile Virus-positive mosquito samples of 2026
✦ NabkaNews BriefAuto-summarized from multiple outlets · verify with the source
West Nile virus has been detected in Placer County, with mosquito samples and a bird testing positive for the virus. However, there is some uncertainty about the location of the first West Nile Virus-positive mosquito samples, with reports also indicating detection in San Joaquin County. A West Nile virus-related death has been confirmed in Placer County, and there are also reports of a mosquito-related West Nile virus death in the Bay Area.
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