Current Virus Activity
Current West Nile virus activity in Contra Costa County.
Current Spraying Info
2017 Virus Activity To Date
News and Media Releases
Official announcements highlighting important vector and vector-borne related news.
West Nile Virus Activity Continues in Contra Costa County. More Dead Birds, Chickens, and Mosquitoes Test Positive.
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In a Minute Videos
These one-minute videos take you right to the action as we control the insects and animals capable of transmitting disease/causing harm.
How Small Fish Play a Big Part in Protecting Public Health
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