Four mosquito samples in the area have tested positive for West Nile, according to the Pennsylvania Department of Environmental Protection.

On Wednesday, the DEP reported the positive tests in: Bethlehem (Northampton County); Upper Macungie Township (Lehigh County); Abington Township (Montgomery County); and Wilkes Barre (Luzerne County).

The DEP says the state's West Nile Virus Control Program staff are responding with additional surveillance and control.