Press Releases - Butte County Mosquito and Vector Control District

Press Releases

July 23, 2025 | First Detection for West Nile Virus for 2025

February 24, 2025 | Winter Warning Trend Awakens Hibernating Mosquitoes

July 15, 2024 | First Detection of West Nile Virus for 2024

January 30, 2024 | Winter Warning Trend Awakens Hibernating Mosquitoes

September 12, 2023 | First Detection of Aedes aegypti in Biggs (Butte County) for 1st time.

August 14, 2023 | West Nile Virus Activity is Surging

July 26, 2023 | WNV Infected Mosquitoes Found Widespread Throughout Butte County

July 10, 2023 | First Detection of Aedes aegypti in Hamilton City (Glenn County) for 1st time and Oroville (Butte County) for 4th consecutive year.

July 3, 2023 | First Detection of West Nile Virus for 2023

May 31, 2023 | First Detection of Invasive Aedes Mosquito found in Butte County for fourth year in a row

April 26, 2023 | 2023 Aerial Surveillance of Unmaintained Swimming Pools

August 31, 2022 | First Detection of Invasive Aedes Mosquito Found In Chico for Third Consecutive Year

July 14, 2022 | First Detection of West Nile Virus for 2022

June 27, 2022 | Invasive Aedes Mosquitoes found in Oroville for third consecutive year.

May 5, 2022 | Aerial Surveillance of Unmaintained Swimming Pools

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