This book focuses on current research into both Ebola and Marburg viruses. Emphasis is placed on the genomics of the viruses, their molecular properties and their taxonomy. Further chapters consider how the viruses evolve and replicate and there are discussions on the spread of these viruses and their pathogenicity. This book presents a comprehensive review of the current research on these highly virulent viruses. Topics covered include the genomics of the Filoviridae, molecular properties, taxonomy, replication, evolution, epidemiology, pathogenicity, virus-host interactions and the immune response.