This volume represents the most authoritative source of information on coronaviruses collected together in a single work. Chapters provide an up-to-date account of the molecular biology of coronaviruses and toroviruses as well as the pathogenesis of coronavirus and torovirus infections. Discussions emphasize the unique features of the coronaviridae and examine the concept of a `coronavirus-like" superfamily. Academic researchers and their students as well as clinicians and veterinarians with an interest in coronavirus-related disease will benefit from this comprehensive reference.