encephalitis lethargica

Noun encephalitis lethargica has 1 sense

• encephalitis lethargica(n = noun.state) epidemic encephalitis, lethargic encephalitis, sleeping sickness, sleepy sickness - an encephalitis that was epidemic between 1915 and 1926; symptoms include paralysis of the extrinsic eye muscle and extreme muscular weakness;
is a kind of cephalitis, encephalitis, phrenitis