The Ada County Mosquito Abatement District announced the discovery after mosquito samples tested positive for the virus in ...

Last year, Ada County's first positive West Nile virus test occurred on August 17. Between April and September 2021, 11 positive test pools were identified from 9 trap locations.

West Nile virus has now been detected in mosquitoes in Ada County, at two locations, for the first time this year, prompting warnings to drain standing water and take measures ...