Evidence-Based Guidelines for EGPA Eosinophilic granulomatosis with polyangiitis (EGPA) is a rare form of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis, affecting between 10 and 14 cases per million globally. https://t.co/VixECcPv4R https://t.co/XgEHRgDiPj