CD8A and myeloid sarcoma: This is in accordance with other studies where low antibody responses following SARS-CoV-2 vaccination of unexperienced MS-OCR patients are also correlated to superior CD8+ T cell responses (Apostolidis et al., 2021; Brill et al., 2021; Gadani et al., 2021; Madelon et al., 2021).