A concise summary of vital information on drug targets and current therapy regimes for all of the major viral infections. The book brings together in a single volume aspects of antiviral therapy from diverse areas of research and practice, providing up-to-date coverage of recent developments. Starting from an overview of the history of antiviral chemotherapy, the book goes on to describe the development of drugs against HIV, herpesvirus, respiratory viruses, papillomaviruses and hepatitis virus infections. The drugs currently available are reviewed and possible therapies and drug targets for future prophylactic and therapeutic use are discussed.