Polio-Like Manifestation of Powassan Virus Infection with Anterior Horn Cell Involvement, Canada

Abstract

Evidence of spinal cord involvement in Powassan virus infection is largely limited to mouse models. We report a case of a polio-like illness caused by Powassan virus infection in a 62-year-old man in Canada. Magnetic resonance imaging showed T2 hyperintensities in the anterior horns of the cervical spinal cord.

Keywords

• anterior horn cells
• arbovirus
• magnetic resonance imaging
• encephalitis viruses
• tick-borne
• poliomyelitis