Media Releases
Record Amounts of Rainfall Create Perfect Conditions for Mosquitoes
Mosquito Awareness Week, observed April 16 - 22, 2023, educates California residents about mosquitoes and how to help prevent the spread of mosquito-transmitted diseases SACRAMENTO, APRIL 12, 2023 -- One of the wettest years in history has left standing water across the state, creating perfect conditions for mosquitoes to develop. Stagnant water creates havens for disease-spreading mosquitoes, and mosquito experts [...]
Placer County Officials Encourage Mosquito Bite Prevention in Wake of West Nile Cases
Placer County’s public health officer, along with the Placer Mosquito and Vector Control District, are reminding residents to continue to take precautions to avoid mosquito bites, after two recent human cases of neuroinvasive West Nile virus.While West Nile activity typically begins in early summer, it can continue to peak into the fall. “While most people with West Nile may not [...]
St. Louis Encephalitis Virus Found in Placer County Mosquitoes for the First Time
The Placer Mosquito and Vector Control District reported today that a mosquito sample has tested positive for St. Louis encephalitis virus (SLEV). Laboratory staff detected the virus while performing routine testing of mosquito samples.
First Signs of West Nile Virus Activity Found in Mosquitoes in Western Placer
The Placer Mosquito and Vector Control District reported today that a mosquito sample has tested positive for West Nile virus this week. The sample was collected from a site along the county's western border.
Significant Spike in West Nile Virus Activity in Placer County
Fourteen additional mosquito samples in Placer County have tested positive for West Nile virus (WNV) today, bringing the count to 26 WNV-positive mosquito samples in the county for the year.