See also:

• Health: Conditions and Diseases: Infectious Diseases: Viral  (524)
• Health: Public Health and Safety: Disease Control and Prevention: Immunizations  (36)
• Science: Biology: Microbiology: Virology  (54)

• 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.
• 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.
• 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.
• West Nile Virus - Provides a graphic model showing the incorporation of this virus into a host cell.