Riva et al. [45] Chest CT + serology (negative RT-PCR) No pathological findings Negative anti-ganglioside antibodies Normal total protein and cells; negative PCR for SARS-CoV2, EBV, CMV, VZV, HSV 1–2, HIV Demyelinating with sural sparing
AIDP Brain: NA
Spinal: no pathological findings IVIG 400 mg/kg (5 days) None Slowly improvement after the 10th day