In this podcast, Dr Nemeth reminds us that iron is not only necessary for hematopoiesis and red cell production. A complex relationship exists between iron levels and susceptibility to infections, which involves the different sensibility of microbes to iron as well as the association between iron deficiency and poor response to immunization, as you will discover in this clear overview on the role of iron in host defence. Interview with: Elizabeta Nemeth. Host: Ayan Panjan