Bigaut et al. [9] RT-PCR + chest CT Normal blood count, negative CRP Negative anti-ganglioside antibodies, negative HIV, Lyme and syphilis serology Increased total protein (0.95 g/L), cell count: 1 × 106/L, negative SARS-CoV-2 PCR Demyelinating
AIDP Spinal: Radiculitis and plexitis on both brachial and lumbar plexus; multiple cranial neuritis (in III, VI, VII, and VIII nerves) IVIG 400 mg/kg (5 days) + non-invasive ventilation NA Progressive improvement