Placer Mosquito and Vector Control District

West Nile virus detected in Placer County

A mosquito sample tested positive for West Nile virus in a rural area of Placer County west of Lincoln, officials announced Tuesday. The Placer Mosquito and Vector Control Distri ...

West Nile early detection possible in Placer

Placer County residents now have an advantage when it comes to early detection of West Nile virus and other illnesses thanks to a new lab in Roseville. The Placer Mosquito and Ve ...

West Nile-infected bird found

Last week, a bird in East Sacramento tested positive for the West Nile virus. But don’t panic. While it’s the first West Nile bird of the year for the Sacramento area, there i ...