encephalitis lethargica
noun
encephalitis le·thar·gi·ca
-li-ˈthär-ji-kə, -le- 
: epidemic virus encephalitis in which somnolence is marked
called also lethargic encephalitis
Cite this Entry
“Encephalitis lethargica.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/encephalitis%20lethargica. Accessed 4 Nov. 2025.
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