Assini et al. [8] RT-PCR Lymphocytopenia, increased LDH and inflammation markers; low serum albumin (2.9 mg/dL) NA Normal total protein level, increased IgG/albumin ratio (233), negative SARS-CoV-2 PCR, presence of oligoclonal bands (both in serum and CSF) Demyelinating with sural sparing AIDP Brain: no pathological findings IVIG 400 mg/kg (5 days) Hydroxychloroquine, arbidol, ritonavir and lopinavir + mechanical invasive ventilation 5 days after IVIG, improvement of swallowing, speech, tongue motility, eyelid ptosis and strength