CSF3 and congenital rubella syndrome: Management of cytopenias in patients receiving BsAbs includes transfusions of packed RBC or platelet concentrates if clinically required, G-CSF support (which should be administered in patients experiencing grade ≥ 3 neutropenia but should be avoided when patients are at major risk of CRS), and eventual TPO-RA or erythropoiesis stimulating agents as per institutional guidelines.