#ACR23 Abstr#1584 Data N=919 pts with GPA vasculitis treated with rituximab showed Septrin prophylaxis (+/- 28days of RTX) reduced serious & any infection. PJP=1.4% not on septrin. Question remains re: how long for in those receiving repeat cycles & steroid confounding @RheumNow https://t.co/81f8hbMids