Pneumocystis Jirovecii Pneumonia Complicating Systemic Vasculitis A retrospecitive analysis of 62 patients with systemic vasculitis complicated by Pneumocystis jirovecii pneumonia (PJP) showed those with MPA had a higher mortality risk, possibly due to a higher prevalence of… https://t.co/yWjWOXtMwR https://t.co/2aD3EIsi7z