Data are rapidly accumulating from all over the world regarding the efficacy of standardized treatment regimens for drug-sensitive, drug-resistant TB and latent TB infection. While we are facing the menace of multi drug-resistant TB [MDR-TB], extensively drug-resistant tuberculosis [XDR TB] has emerged threatening to undermine global efforts at TB control. Hence we have included chapters to cover all aspects of the diagnosis and management of MDR TB. This book will cover all these developments in great detail