2026. ANTIMICROBIAL OPTIMIZATION AFTER POSITIVE PNEUMOCOCCAL URINARY ANTIGEN TESTING IN HOSPITSLIZED COMMUNITY-ACQUIRED PENEUMONIA A RETROSPECTIVE COHORT STUDY. Mediterranean Journal of Hematology and Infectious Diseases. 18, 1 (Oct. 2026), e2026081. DOI:https://doi.org/10.4084/MJHID.2026.081.