A Massachusetts woman is sharing her family's experience after her granddaughter was diagnosed with Powassan virus after a ...

Parents of five-week-old Lily Sisco say their daughter is a “fighter” as they struggle with the potential long-lasting ...

The tick-borne virus, which can cause encephalitis, meningitis and death, is spreading throughout Minnesota and Wisconsin, but there are no drugs to treat or prevent it.

Preliminary tests show the baby contracted Powassan virus, a rare but serious tick-borne disease that can be fatal.