Media Releases
First West Nile Positive Bird in Placer County
The first bird in Placer County to test positive this year for West Nile virus has been found in Rocklin.
West Nile Virus Activity Increasing in Placer County
Four additional mosquito samples in Placer County have tested positive for West Nile virus (WNV) in the past two weeks, most occurring on the western border of the county.
Positive Mosquito Sample Detected in Lincoln
The first West Nile Virus positive adult mosquito sample in Placer County this year was reported in northern Lincoln by the Placer Mosquito and Vector Control District today.