In a special collection of articles published 9 July 2004,
Science Magazine and several of its online companion sites review progress and challenges in the field of immunotherapy, which harnesses the power of the immune system in the struggle against a range of diseases. In
Science, News, Viewpoint, and Review articles cover immunotherapy's prospects in treating cancer and chronic infectious diseases -- as well as the challenges involved in "putting the brakes on" the immune system in fighting transplant rejection and autoimmune disorders. The
Signal Transduction Knowledge Environment features a range of articles on the signaling pathways regulating immune tolerance and the molecular mechanisms of antibody immunotherapy. And the
Science of Aging Knowledge Environment considers several angles on the efficacy of vaccination in aging populations and age-related disorders.