This latest volume in the Advances in Virus Research series presents articles on topics such as the role of lipid rafts in virus assembly and budding; novel vaccine strategies; treatment of arenavirus infections; the evaluation of drug resistance in HIV infection; perspectives on polydnavirus origin and evolution; bateriophage 29 DNA packaging; the potential of plant viral vectors and transgenic plants for subunit vaccine production; and the interaction of orthopoxviruses with interferon-treated cultured cells. This timely and informative compilation of articles will be of interest to researchers in the fields of virology, immunology, microbiology, and plant science.