Ferritin and C-reactive protein (CRP) significantly declined as compared to pre-transfusion whereas the lymphocyte count returned to normal. SARS-CoV-2 infected patients, uncertainty remains in those patients with underlying immunodeficiency. Walsh et?al. included a total of 15 relevant studies, but only two of them identified immunosuppressed patients from whom SARS-CoV-2 was isolated for up to 20 […]