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Tri-County26

Tri-County26

Kathleen Lawhead2026-07-31T07:33:03-07:00July 31, 2026|

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West Nile Virus Activity (2026)

Indicators Placer County* CA*
Mosquito Samples 65 1,890
Dead Birds 4 330
Horses 0 4
Human Cases/Fatal Cases 0/0 18/0

*Updated 7/31/2026

Latest News

  • West Nile Virus Positive Mosquitoes Found in West Placer County Area July 8, 2026
  • Placer County confirms first West Nile virus death of season October 6, 2025
  • 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

Upcoming Events

17 Aug

Board of Trustees Meeting

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10 Sep

Kidzapalooza

Thursday, Regional Park
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19 Sep

Hot Chili Cool Cars

Saturday, Quarry Park
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21 Sep

Board of Trustees Meeting

Monday
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