Very low rate of humoral response after a third COVID-19 vaccine dose in patients with autoimmune diseases treated with rituximab and non-responders to two doses. Issue 1 (19th May 2022) - Bitoun, Samuel; Avouac, Jérôme; Henry, Julien; Ghossan, Roba; Al Tabaa, Omar; Belkhir, Rakiba; Nocturne, Gaetane; Mariaggi, Alice Andrée; Rozenberg, Flore; Vauloup-Fellous, Christelle; Mariette, Xavier; Seror, Raphaèle