The present book is intended to give an account of the state of the art on how animal viruses induce cytotoxic effects in cells.

1. Mechanisms of Virus-Induced Cell Toxicity: A General Overview 2. The Penetration of Animal Cells by Viruse s 3. Virus Directed Suppression of Host Transcription 4. Inhibition of Host Protein Synthesis by DNA Viruses - Adenovirus, Herpesvirus, and Poxvirus: Mechanism of Action 5. Cell Killing by Enveloped RNA Viruses 6. The Regulation of Translation in Picornavirus-Infected Cells 7. Effects of Interferon on Viral Replication and on the Cytopathic Effects Induced by Animal Viruses