SARS-CoV-2 PCR NA NA IVIG 400 mg/kg (5 days) NA After 2 weeks from admission complete resolution except anosmia, ageusia Gutiérrez-Ortiz et al. [23] RT-PCR Leucopenia (3100 cells/µl) NA Increased total protein (62 mg/dl), WBC: 2/μl (all