1. An Overview of the Assembly of Enveloped RNA Viruses.- I. Introduction.- II. Virus Entry.- III. Virus Genomes.- IV. Synthesis of Virus Components.- Sites of Virus Protein Synthesis.- Synthesis of Virus Glycoproteins.- Glycosylation.- Transport of Virus Glycoproteins.- Cleavage of Precursor Proteins.- Other Post-Translational Modifications.- V. Assembly of Virus Components.- Nucleocapsid (NC) Assembly (Encapsidation).- Structure of NCs.- Sites of Budding.- Early Interactions Between NC and Envelope Proteins.- Virus Budding.- Virus Release.- Defective Assembly.- VI. New Avenues.- 2. Assembly of Rhabdoviridae.- I. Introduction.- II. Molecular Organization.- Replication and Transcription.- Virus Proteins.- III. Intracellular Synthesis of Virus Components.- IV. Assembly of Virus Components.- NC Assembly.- Sites of Budding.- Interactions Between NC and Envelope Proteins.- Virus Budding.- Defective Assembly.- V. Virus Release and Organization of the Virion.- 3. Assembly of Paramyxoviridae.- I. Introduction.- II. Molecular Organization.- Virus Proteins.- III. Intracellular Synthesis of Virus Components.- IV. Assembly of Virus Components.- NC Assembly.- Association of Envelope Proteins.- Interactions Between NC and Envelope Proteins.- Virus Budding.- Defective Assembly.- V. Post-Release Maturation and Organization of the Virion.- 4. Assembly of Orthomyxoviridae.- I. Introduction.- II. Molecular Organization.- Virus Proteins.- III. Intracellular Synthesis of Virus Components.- IV. Assembly of Virus Components.- NC Assembly.- Interaction Between NC and Envelope Proteins.- Virus Budding.- Defective Assembly.- V. Virus Release and Organization of the Virion.- 5. Assembly of Bunyaviridae.- I. Introduction.- II. Molecular Organization.- Virus Proteins.- III. Intracellular Synthesis of Virus Components.- IV. Assembly of Virus Components.- V. Virus Release and Organization of the Virion.- 6. Assembly of Arenaviridae.- I. Introduction.- II. Molecular Organization.- Virus Proteins.- III. Intracellular Synthesis of Virus Components.- IV. Assembly of Virus Components.- NC Assembly.- Virus Budding.- Defective Budding.- V. Organization of the Virion.- 7. Assembly of Coronaviridae.- I. Introduction.- II. Molecular Organization.- Transcription.- Replication.- Virus Proteins.- III. Synthesis, Transport and Processing of Virus Proteins.- IV. Assembly of Virus Components.- NC Assembly.- Interaction of NC and Envelope Proteins and Virus Budding.- Release of Virions from the Cell and Post-Release Maturation.- Defective Assembly.- V. Organization of the Virion.- 8. Assembly of Togaviridae.- Alphaviruses.- I. Introduction.- II. Molecular Organization.- Virus Proteins.- III. Protein Synthesis, Transport and Post-Translational Modifications.- IV. Assembly of Virus Components.- NC Assembly.- Interactions Between NC and Envelope Proteins.- V. Defective Assembly.- VI. Organization of the Virion.- Flaviviruses.- I. Introduction.- II. Molecular Organization.- III. Protein Synthesis, Transport and Post-Translational Modifications.- IV. Assembly of Virus Components.- V. Defective Budding.- VI. Organization of the Virion.- Rubiviruses.- Pestiviruses.- Non-Arthropod-Borne Togaviruses.- Conclusion.- 9. Assembly of Retroviridae.- I. Introduction.- II. Molecular Organization.- Virus Proteins.- III. Intracellular Synthesis of Virus Components.- IV. Assembly of Virus Components.- NC Assembly Occurs Independently from Budding.- NC Assembly Is Coordinated with Budding.- Interactions Between NC and Enveloped Proteins.- Virus Budding.- Virus Release and Post-Release Maturation.- V. Organization of the Virion.- 10. Assembly of Rotaviruses.- I. Introduction.- II. Molecular Organization.- III. Translation, Transport and Processing of Virus Proteins.- IV. Assembly of Virus Components.- NC Assembly.- Virus Budding.- Modification After Budding.- Release of Virions from Infected Cells.- Defective Assembly.- V. Organization of the Virion.- References.