Nature Reviews Immunology 15, 452–463 (2015)

In the original version of this article, the credit line in the legend of Figure 1 was incorrect and should read: “Copyright 2014 from 'Vaccines against invasive Salmonella disease: current status and future directions' by MacLennan, C. A., Martin, L. B. & Micoli, F. Reproduced by permission of Taylor & Francis LLC (http://www.tandfonline.com).” This has now been corrected online.