Virology is a very exciting and fast-paced field with many challenging issues. Using a balanced approach, combining the molecular, clinical and historical aspects of virology, Understanding Viruses is the ideal text for the modern undergraduate virology course. With a full-color design and rich pedagogy, the text provides a strong, comprehensive introduction to human viral diseases. Additional chapters on viral diseases of animals; the history of clinical trials, gene therapy, and xenotransplantation; prions and viroids; plant viruses; and bacteriophages add to the coverage. Chapters discussing specific viral diseases weave in an epidemiological and global perspective, and include treatment and prevention information. Contemporary case studies, Refresher boxes, and Virus Files engage students in the learning process. With a wealth of student and instructor support tools, Understanding Viruses is an accessible, exciting, and engaging text for your undergraduate Virology courses. See also companion website and lecturer supplements