by Ragon Institute of MGH, MIT and Harvard 3D rendering of a B cell. Credit: Blausen.com staff (2014). “Medical gallery of Blausen Medical 2014”. WikiJournal of Medicine 1 (2). DOI:10.15347/wjm/2014.010. ISSN 2002-4436. CC BY-SA 4.0 B cell deficiency is a common condition that can result either from immunosuppressant drugs used to treat autoimmune disease or...