The Canyon County Mosquito Abatement District says they performed tests at various locations during the 4th of July weekend.
The tests came back with 9 positive results.
The district says they will respond by doing followup treatments at the affected areas throughout this week.
Officials say the positive tests came from multiple locations in the county:
- near Highway 95 and the Boise River
- Roswell Marsh and Roswell Cemetery
- Ballard Lane in Middleton
- Channel Road east of Caldwell