encephalitis
C1CEFR level
75/100Rarity: rare
TechnicalRegister
Inflammation of the brain tissue itself, most often viral, which can cause confusion, seizures and reduced consciousness.
The altered behaviour and seizures with fever prompted treatment for viral encephalitis.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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