Best-selling textbook fills the gap between introductory texts and advanced reviews of major virus families. * Focuses on concepts and principles to present a comprehensive treatment from molecular biology to pathogenesis and control of viral infections. * Illustrates why and how animal viruses are studied and demonstrates how the knowledge gained from such model viruses can be used to study viral systems that are still relatively unknown. * Provides a thorough introduction to principles of viral pathogenesis, a broad view of viral evolution, a discussion of how viruses were discovered, and an explanation of the history of the discipline of virology. This title is published by the American Society of Microbiology Press and distributed by Taylor and Francis in rest of world territories. This title is published by the American Society of Microbiology Press and distributed by Taylor and Francis in rest of world territories.