First Human Case of West Nile Virus Reported in Placer County This Season

September 9, 2021|

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

June 23, 2021|

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 [...]

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First Invasive Mosquito Detected In Placer County

August 29, 2019|

The Placer Mosquito and Vector Control District detected an invasive (non-native) species of mosquito on Wednesday, August 28. The Aedes aegypti, commonly known as the yellow fever mosquito, was found in a residential south Placer County neighborhood east of Auburn Boulevard at Interstate 80.

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