Arnaud et al. [7] France 64 M 23 days after Fast progressive LL weakness Generalized areflexia, severe flaccid proximal paraparesis, decreased proprioceptive length-dependent sensitivity and LL pinprick and light touch hypoesthesia None No 4 days after symptoms onset Fever, cough, diarrhea, dyspnea, severe interstitial pneumonia DM type 2 Clinical + CSF + electrophysiology 1 Classic sensorimotor