Nervous phenomena, such as chorea and epileptic seizures, have been attributed to the presence of the tapeworm.
Very rarely, seizures have occurred with high doses of interferon alpha.
Very low birthweight infants with clinical seizures have a higher incidence of impairment than preterm infants without seizures 34.
Symptoms of listerial meningitis occur about four days after the flu-like symptoms and include fever, personality change, uncoordinated muscle movement, tremors, muscle contractions, seizures, and slipping in and out of consciousness.
This can only take place, however, if the area of the brain that triggers the seizures can be identified with pinpoint accuracy.