Tissue-resident B-1 cells express CD11b, unlike their lymphoid organ-residing counterparts. Here the authors show that influenza-induced type I interferons activate CD11b on B-1 cells, facilitating entry to mediastinal lymph nodes, where they provide the first line of antibody-mediated host defense.
- Elizabeth E. Waffarn
- Christine J. Hastey
- Nicole Baumgarth
