Pfefferkorn et al. [42] Germany 51 M 14 days after UL and LL weakness, acral paraesthesia Tetraparesis, generalized areflexia, deterioration to an almost complete peripheral locked-in syndrome with tetraplegia, complete sensory loss at 4 limbs, bilateral facial and hypoglossal paresis None Yes 15 days after symptoms onset Fluctuating fever, flu-like symptoms with marked fatigue and dry cough, pneumonia NA Clinical + CSF + electrophysiology 1 Classic sensorimotor