Nature is the international weekly journal of science: a magazine style journal that publishes full-length research papers in all disciplines of science, as well as News and Views, reviews, news, features, commentaries, web focuses and more, covering all branches of science and how science impacts upon all aspects of society and life.

Bjoern Peters, John Sidney, Phil Bourne, Huynh-Hoa Bui, Soeren Buus, Grace Doh, Ward Fleri, Mitch Kronenberg, Ralph Kubo, Ole Lund, David Nemazee, Julia V. Ponomarenko, Muthu Sathiamurthy, Stephen Schoenberger, Scott Stewart, Pamela Surko, Scott Way, Steve Wilson, Alessandro Sette* Citation: Peters B, Sidney J, Bourne P, Bui H-H, Buus S, et al.

Won Hee Jung1,2, Anita Sham1,2, Rick White3, James W. Kronstad1,2* 1 The Michael Smith Laboratories, Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia, Canada, 2 Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada, 3 Department of Statistics, University of British Columbia, Vancouver, British Columbia, Canada Iron overload is known to exacerbate many infectious diseases, and conversely, iron withholding is an important defense strategy for mammalian hosts.