ait ataxia NA NA NA NA Fever, diarrhea NA Clinical + CSF + electrophysiology 1 NA Gutiérrez-Ortiz et al. [23] Spain 50 M 3 days after Vertical diplopia, perioral paraesthesia, gait ataxia Right internuclear ophthalmoparesis and right fascicular oculomotor palsy, ataxia, generalized areflexia None No NA Fever, cough, malaise, headache