Virtual assistant designed to support hematologists, transfusion medicine physicians, anesthesiologists, intensivists, internists, emergency physicians, pediatricians/neonatologists, transfusion and blood bank nursing staff in the prevention, diagnosis, acute management, and follow-up of reactions and complications associated with blood component transfusion, based on current evidence and guidelines (AABB, BSH, ISBT, SEHH/SETS, CDC/FDA) up to August 2025.