Every second a new person is exposed to tuberculosis (TB). Each untreated TB-infected person will infect 10-15 people every year. Following the success of its predecessor, this new edition of Tuberculosis: The Essentials scrutinizes the new discoveries and observations of the key aspects of the disease. Recognized world experts provide a concise, state-of-the-art review of the 15 essential elements of TBsupply an international, current view of the epidemiology, pathophysiology, diagnosis, and treatment methodsdiscuss the emerging threat of XDR-TB and the HIV/AIDS factorassess advances in TB research such as new drugs and vaccinesreflect on the progress of the "Stop TB" strategy. See What’s New in the Fourth Edition: Updated chapters on epidemiology and pathogenesis provide new insights on TB infection and disease Updated chapters on diagnosis and treatment cover new tests and molecular detection methods Information on developing effective regiments and discussion of situations deserving specific precautions Coverage of adherence issues The book book is an essential guide for everybody working in the field of TB, from specialists to nurses and students, both from a clinical and public health perspective.