News Releases for 2025
Third Group of WNV-Infected Mosquitoes Confirmed in Contra Costa County 10/3/25)
More Aedes aegypti Found in Antioch (10/2/25)
More West Nile Virus-Infected Mosquitoes Confirmed in Contra Costa County (9/26/25)
Another West Nile Virus-Infected Bird Has Been Found in Contra Costa County (8/15/25)
First West Nile Virus-Infected Mosquitoes of 2025 Found in Contra Costa County (7/31/25)
First West Nile Virus-Infected Bird of 2025 Found in Contra Costa County (7/21/25)
Invasive Mosquitoes Found Again in Contra Costa County (5/9/25)
Next Week is California Mosquito Awareness Week (4/9/25)