| Brain: encephalitis | Fever, altered mental status, headache, nausea, vomiting, seizure, focal neurologic signs |
| Meninges: meningitis | Fever, neck stiffness, photophobia, headache, nausea, vomiting |
| Brainstem: rhombencephalitis | Fever, cranial nerve palsy, myoclonus, tremor, ataxia, apnea, coma |
| Spinal cord: myelitis | Weakness or paralysis, paresthesia, synesthesia, hyporeflexia |