主题词：Hematopoietic Stem Cell Transplantation; Acute Myeloid Leukemia Research; Acute Lymphoblastic Leukemia research; Immune Cell Function and Interaction; Polyomavirus and related diseases; T-cell and B-cell Immunology; Lymphoma Diagnosis and Treatment; Multiple Myeloma Research and Treatments; Renal Transplantation Outcomes and Treatments; Chronic Myeloid Leukemia Treatments; Cytomegalovirus and herpesvirus research; Neutropenia and Cancer Infections; Chronic Lymphocytic Leukemia Research; Childhood Cancer Survivors' Quality of Life; Transplantation: Methods and Outcomes; CAR-T cell therapy research; Mesenchymal stem cell research; Viral-associated cancers and disorders; Immunotherapy and Immune Responses; Immunodeficiency and Autoimmune Disorders; Antifungal resistance and susceptibility; Blood disorders and treatments; Myeloproliferative Neoplasms: Diagnosis and Treatment; Hemoglobinopathies and Related Disorders; Virus-based gene therapy research