| Are Viruses Alive? - Educational site that discusses what defines life and whether viruses fit into this definition. |
| Bacteriophage - Information from Wikipedia on the viruses that infect bacteria, their classification, history, replication and uses. |
| The Big Picture Book of Viruses - Specific information on viral families, genomes, taxonomy, and structure. |
| Complete Tospovirus Resource and Database - Tospoviruses, the only plant infecting members of Bunyaviridae, are a worldwide problem. This site features a searchable database of host plants. |
| Distemper and Influenza at Mill Hill - Article by Rick Carver and John Skehel from the archives of the Mill Hill Essays 2000, about the group of viruses called paramyxoviruses. |
| HIV - Research project by Kayleen Kinsley on the human immunodeficiency virus, including its classification, nutrition, reproduction, habitat, history and information on the disease it causes. |
| Index of Viruses - Database of virus names, acronyms, hosts, and nucleic acids. |
| The Influenze Sequence Database - Database of virus information including nucleotide sequences. |
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International Committee on Taxonomy of Viruses - Taxonomy of viruses, including electron microscopy pictures, and family descriptions. |
| Origins of Viruses - Article examining the evidence for how the first viruses may have appeared and how viruses, like other parasites, co-evolved with their hosts. |
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Plant Viruses Online - Provides an introduction to plant viruses and includes descriptions and lists of a large number of viruses taken from the VIDE Database. |
| Principles of Virus Architecture - Information regarding virus structures, images, and the use of stain to identify them. |
| Taxonomy browser (Viruses) - The NCBI Taxonomy database allows browsing of the taxonomy tree, which contains a classification of organisms. |
| Virus - Comprehensive information from Wikipedia on these sub-microscopic infectious agents that are unable to grow or reproduce outside a host cell. |
| Virus Databases Online - A comprehensive index of viruses provided by the International Committee on Taxonomy of Viruses. Also provides a picture gallery, identification tool and software tools. |
