New York City 1999
Encephalitis/meningoencephalitis
62%
Meningitis
32%
Complete
flaccid paralysis 10%
Confused
with Guillain-Barre syndrome
EMG and nerve conduction velocity studies
indicating both axonal and demyelinating lesions,
with axonal lesions most prominent
Previous series
Ataxia, extrapyramidal signs, cranial nerve
abnormalities, myelitis, optic neuritis,
seizures