Powassan encephalitis

noun

Po·​was·​san encephalitis pə-ˈwä-sən- How to pronounce Powassan encephalitis (audio)
: 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

Time Traveler
The first known use of Powassan encephalitis was in 1967

Dictionary Entries Near Powassan encephalitis

Cite this Entry

“Powassan encephalitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Powassan%20encephalitis. Accessed 7 Dec. 2022.

Medical Definition

Powassan encephalitis

noun

Po·​was·​san encephalitis pə-ˈwä-sən- How to pronounce Powassan encephalitis (audio)
: 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
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