Press Releases

The Placer Mosquito and Vector Control District reported today that five mosquito samples have tested positive for West Nile virus this week.  The mosquito samples were collected from sites along the county’s western border, from as far south as the … Continue reading

The Placer Mosquito and Vector Control District reported today that a sentinel chicken has tested positive for West Nile virus antibodies. This is the first sign of increased West Nile virus activity in Placer County.  The chicken is part of … Continue reading

WEST NILE VIRUS AND MOSQUITO AND VECTOR CONTROL AWARENESS WEEK APRIL 19-25: THE BUZZ ABOUT THE DROUGHT ROSEVILLE, Calif. April 20, 2015 — The Placer Mosquito and Vector Control District (PMVCD) announces the official beginning of the season during West Nile … Continue reading

The Placer Mosquito and Vector Control District reports an increase in calls from Placer County residents, especially on the western border, where mosquito activity has increased in the past few weeks.  “Mosquitoes are certainly noticeable right now, but the good … Continue reading

ROSEVILLE, Calif. June 11, 2014— The Placer Mosquito and Vector Control District reports that an American crow collected from Lincoln and a mosquito sample collected from Roseville have tested positive for West Nile virus. These are the first positive indicators … Continue reading

District asks residents to watch for dead birds ROSEVILLE, Calif., June 3, 2014 – The first signs of increased West Nile Virus activity in the region have officials at the Placer Mosquito and Vector Control District encouraging residents to keep … Continue reading