Media Releases
First Human Case of West Nile Virus Reported in Placer County this Summer
Officials urge residents to protect themselves from mosquito bites with an EPA-registered repellent ROSEVILLE, Calif., August 30, 2023 – Placer County’s public health officer, along with the Placer Mosquito and Vector Control District, are urging residents to prevent mosquito bites after the first human case of West Nile virus was reported in Roseville this week. West Nile virus is a potentially serious illness transmitted [...]
West Nile Virus Positive Mosquitoes and Dead Bird Detected in West Roseville
Placer Mosquito urges residents to protect themselves from mosquito bites with an EPA-registered repellent ROSEVILLE, Calif., June 21, 2023 – The Placer Mosquito and Vector Control District confirmed the first mosquito sample and dead bird to test positive for West Nile virus in the county for 2023. The mosquitoes and dead bird were collected in western Placer County near the [...]
Invasive Aedes Mosquitoes Detected in Placer County
Yellow fever mosquito detected in Placer County. District implements response plan. ROSEVILLE, Calif., July 19, 2022 – The Placer Mosquito and Vector Control District detected an invasive (non-native) species of mosquito on Thursday, July 14. The Aedes aegypti, commonly known as the yellow fever mosquito, was found in a residential Granite Bay neighborhood just south of Granite Bay High School. The California [...]
First Human Case of West Nile Virus Reported in Placer County This Season
Placer County and the Placer Mosquito and Vector Control District Urge Residents to Protect Themselves from Mosquito Bites ROSEVILLE, Calif., September 10, 2021 – Placer County’s interim health officer, along with the Placer Mosquito and Vector Control District, encourage residents to take precautions to avoid mosquito bites, after a human case of West Nile virus was reported in Roseville today. [...]
First West Nile Virus Positive Mosquitoes of the Season Detected in Westpark
The Placer Mosquito and Vector Control District confirmed the first mosquito sample to test positive for West Nile virus in the county for the 2021 season. The mosquitoes were collected in a mosquito trap in western Placer County near the Westpark neighborhood of Roseville. The District’s vector and disease surveillance program traps and tests mosquitoes weekly throughout the county. The [...]