Significant Increase in West Nile Virus Activity in West Roseville
More mosquito samples and an additional dead bird in residential areas of west and northwest Roseville have turned up positive for West Nile virus.
Traps Still Indicate Elevated Mosquito Populations
In spite of the recent cooler weather, mosquitoes are still out in full force, according to the Placer Mosquito and Vector Control District.
Ground-Based Mosquito Treatment in Small Area of Roseville
Unusually high mosquito trap counts trigger localized treatment efforts in northwest Roseville.
Tests Show West Nile Virus Still a Threat in Placer County
Four additional mosquito samples tested positive for the West Nile virus in the rice-growing region of Placer County, with two samples collected east of Sheridan and Lincoln.
Ground-Based Mosquito Treatment in Response to High Trap Counts in Northwest Roseville
Unusually high mosquito trap counts trigger localized treatment efforts in northwest Roseville.
Mosquito Samples Suggest Increased West Nile Virus Activity in Residential Areas of West Roseville
Mosquito samples in residential areas of west and northwest Roseville are turning up positive for West Nile virus.
West Nile Virus Hotspots in Western Placer County
Seven additional mosquito samples tested positive for the West Nile virus in the rice-growing region of western Placer County.
Additional Positive Mosquito Samples in Western Placer County
Two additional mosquito samples tested positive for the West Nile virus in the rice-growing region of western Placer County.
Plans for Aerial Spraying to Control Mosquitoes Announced
The Sacramento-Yolo and Placer Mosquito Control Districts announced today that aerial spraying to control mosquitoes that may carry the potentially fatal West Nile virus is scheduled for areas of North Sacramento county and a small portion of Placer County.
West Nile Virus Positive Mosquito Samples Trigger Spraying in Western Placer County
The first mosquito samples in Placer County to test positive this year for the West Nile virus have been reported in the town of Sheridan and Elverta area of western Placer County.