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WNVDetection2023FacebookPostLandscapeTwitterPostWebsite

WNVDetection2023FacebookPostLandscapeTwitterPostWebsite

Max Weirauch2023-06-21T08:11:49-07:00June 21, 2023|

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West Nile Virus Activity

Indicators Placer County* CA*
Mosquito Samples 94 1,459
Dead Birds 5 95
Horses 0 0
Human Cases/Fatal Cases 0/0 14/0

*Updated 8/18/2025

Latest News

  • First Human Case of West Nile Virus Reported in Placer County This Summer August 29, 2025
  • West Nile Virus Positive Mosquitoes Found in West Placer County Agricultural Area June 18, 2025
  • West Nile Virus Mosquitoes Detected In Sheridan July 11, 2024
  • Increased Grasshopper Activity in Areas of Placer County June 6, 2024

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