Ottaviani et al. [38] Italy 66 F 7 days after (concurrent pneumonia) Flaccid paraparesis, no sensory symptoms Progressively developed proximal weakness in all limbs, dysesthesia, and unilateral facial palsy, generalized areflexia NA Yes 13 days after symptoms onset Fever and cough, pneumonia NA Clinical + CSF + electrophysiology 1 Classic sensorimotor