Powassan encephalitis

noun

Po·​was·​san encephalitis pə-ˈwä-sən- 

: a severe form of Powassan virus marked especially by encephalitis

Ten percent of Powassan encephalitis cases are fatal. About half the survivors have permanent neurological symptoms.

—Lynn Bonner

Word History

First Known Use

1967, in the meaning defined above

Medical Definition

Powassan encephalitis

noun

Po·​was·​san encephalitis pə-ˈwä-sən- 

: a severe form of Powassan virus marked especially by encephalitis

Ten percent of Powassan encephalitis cases are fatal. About half the survivors have permanent neurological symptoms.

—Lynn Bonner