This comprehensive work, aimed at both students and researchers alike, systematically covers all aspects of prion diseases. Offers more than a simple translation by way of new and up-to-date coverage of prions Extends subject matter for scientists (basic research) and medical doctors, since it is here that the subject of prion diseases continues to be very topical Reduces the subject matter taken from veterinary medicine and agriculture, since the bovine disease BSE has somewhat faded into the background Includes new chapters on immunization and therapy