An up-to-date examination of the evolution of microbial pathogenesis. * Provides comprehensive coverage with a dual focus on pathogenesis and methods used to study evolution. * Emphasizes broad themes of evolution and examines the process of studying evolution. * Provides examples of how problems that are common to various pathogens have been solved by evolution. * Serves as a valuable reference for laboratory directors, postdoctoral fellows, and upper-level undergraduate and graduate students. This title is published by the American Society for Microbiology Press and distributed by Taylor and Francis in rest of world territories.