Powassan Meningoencephalitis, New York, New York, USA

Abstract

Disease caused by Powassan virus (POWV), a tick-borne flavivirus, ranges from asymptomatic to severe neurologic compromise and death. Two cases of POWV meningoencephalitis in New York, USA, highlight diagnostic techniques, neurologic outcomes, and the effect of POWV on communities to which it is endemic.

Keywords

• Powassan virus
• encephalitis
• meningoencephalitis
• meningitis
• arbovirus
• flaviviridae