Established as a major reference work, this edition has been thoroughly revised and updated to reflect new developments in this rapidly evolving field. Encompassing both the theoretical and practical aspects of clinical virology, it provides a comprehensive account of the pathogenesis, clinical features, diagnosis, management and prevention of human virus diseases. Chapters are arranged according to individual viruses or groups of viruses. New chapters on human herpesvirus 6, hepatitis B virus and the pathogenesis of hemorrhagic fevers have been added.