Sancho-Saldaña et al. [46] RT-PCR + chest X-Ray NA Negative anti-ganglioside antibodies Increased total protein (0.86 g/L), cell count: 3 leucocytes Demyelinating AIDP Whole spine: brainstem and cervical meningeal enhancement IVIG 400 mg/kg (5 days) Hydroxychloroquine, azithromycin Recovering by day 7 after the onset of weakness.