D. Ansardi, D.C. Porter, M.J. Anderson, and C.D. Morrow, Poliovirus Assembly and Encapsidation of Genomic RNA. U. Desselberger, Genome Rearrangements of Rotaviruses. E.J. Arts and M.A. Wainberg, Human Immunodeficiency Virus Type 1 Reverse Transcriptase and Early Events in Reverse Transcription. D.A. Fallows and S.P. Goff, Hepadnaviruses: Current Models of RNA Encapsidation and Reverse Transcription. B. Plachter, C. Sinzger, and G. Jahn, Cell TypesInvolved in Replication and Distribution of Human Cytomegalovirus. A.M. Arvin, J.F. Moffat, and R. Redman, Varicella-Zoster Virus: Aspects of Pathogenesis and the Host Response to Natural Infection and Varicella Vaccine. J.C. de la Torre and M.B.A. Oldstone, Anatomy of Viral Persistence: Mechanisms of Persistence and Associated Disease. T. Williams, The Iridoviruses. M.A. Mayo and V. Ziegler-Graff, Molecular Biology of Luteoviruses. Chapter References. Subject Index.