West Nile virus is spread among humans through mosquito bites. Most people do not experience symptoms, but some can become seriously ill.

While West Nile virus remains the greatest mosquito-borne threat in Pennsylvania, state officials are monitoring another virus that has begun popping up in mosquito populations — including in McKean CountyBiologists are tracking Jamestown Canyon virus,

By late summer, what started as fever and fatigue had morphed into severe migraines, dizziness and partial loss of hearing. “It was fall turning into winter and I could not drive. It was really hard for me to just walk around the house; I could not walk up and down the stairs by myself,” she said.