P892: ANALYSIS OF INFECTIONS AND PARAMETERS OF HUMORAL IMMUNITY IN PATIENTS (PTS) WITH RELAPSED/REFRACTORY MULTIPLE MYELOMA (RRMM) TREATED WITH TALQUETAMAB (TAL) MONOTHERAPY IN MONUMENTAL-1 - Leo Rasche; Carolina Schinke; Ajai Chari; Brea C. Lipe; Noa Lavi; Paula Rodríguez-Otero; Deeksha Vishwamitra; Sheri Skerget; Raluca Verona; Xuewen MA; Sheetal Khedkar; Brandi Hilder; et al. (HemaSphere, 2023)