Powassan encephalitis

Pronunciation
/POW-sahn en-SEF-uh-LY-tis/
Category
Disease
Singular
Powassan encephalitis
Plural
Powassan encephalitis

Definition

A rare but serious viral encephalitis transmitted by ticks, primarily in the northeastern United States.

Etymology

Named after the Powassan virus, which was first isolated in Powassan, Ontario, Canada in 1958.

Example

Powassan encephalitis can cause severe neurological complications, including encephalitis and meningitis.

Related Terms

Usage Notes

Early symptoms of Powassan encephalitis often resemble those of other viral infections, making diagnosis challenging.