Powassan virus, a rare tick-borne illness traced to a 1958 case, has hit record highs in 2025, with 76 U.S. diagnoses and no vaccine available.
A rare and potentially fatal tick-borne illness currently spreading across the United States can be traced back to a 1958 case involving a young boy on a farm.
The disease, known as Powassan virus, … [+3312 chars]
The disease, known as Powassan virus, … [+3312 chars]