Paybast et al. [41] Iran 14 F 21 days after Progressive ascending quadriparesthesia, mild LL weakness Mild proximal and distal LL weakness, hypoactive deep tendon reflexes in UL and absent in LL, decreased light touch, position, and vibration sensation in all distal limbs up to ankle and elbow joints, gait ataxia None No 2 days after symptoms onset Symptoms of upper respiratory tract infection None Clinical + CSF 2 Classic sensorimotor