Retrospective study of 162 ANCA-Assoc Vasculitis patients (63% GPA, 37% MPA) - risk of serious infx was 7.5 per 100Pt-Yrs & was higher with cyclophosphamide that RTX induction. Risks for SIE:plasmapheresis dialysis & high BVAS in 1st year https://t.co/kAlz9aGQup