Patients with systemic inflammatory and autoimmune diseases are at risk of vaccine-preventable illnesses. - Marchand-Janssen C; Loulergue P; Mouthon L; Mahr A; Blanche P; Deforges L; Lebon P; Cohen P; Pagnoux C; Le Guern V; Bienvenu B; Aouba A; et al. (Rheumatology (Oxford, England), 2011)