Current Virus Activity

Current West Nile virus activity in Contra Costa County.

Current Spraying Info | 2018 Virus Activity To Date

News and Current Events

Official announcements and articles highlighting important vector and vector-borne related news.

NEW: As Spring Returns, So Do Young Ticks

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These one-minute videos take you right to the action as we control the insects and animals capable of transmitting disease/causing harm.

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