MERCERSBURG, Pa. -- Weather conditions permitting, spraying to control mosquito populations will be conducted during the evening hours Tuesday, with Wednesday scheduled as a backup in portions of Mercersburg borough, according to a news release from the Pennsylvania Department of Environmental Protection.
Two recent collections of mosquitoes have tested positive for the West Nile virus in this area, the news release stated.
The treatments will be conducted after sundown using the product BioMist, the news release stated. The active ingredient in the product is permethrin.
There have been eight confirmed human cases of West Nile virus in Pennsylvania this year -- four in Philadelphia, two in Lancaster County, and one each in Montgomery and Franklin counties.
The DEP announced Friday that a 66-year-old man from Franklin County had contracted the virus.