Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Residual Anti-pneumococcal Immunity After Pneumococcal Immunization in ANCA-associated Vasculitis. PneumoVas Pilot 1
Brief Summary: Descriptive study of the residual anti-pneumococcal immunity in patients with Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) who have previously gone through pneumococcal immunization.