International Committee on Taxonomy of Viruses - Taxonomy of viruses, including electron microscopy pictures, and family descriptions. Taxonomy browser (Viruses) - The NCBI Taxonomy database allows browsing of the taxonomy tree, which contains a classification of organisms. 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. The Big Picture Book of Viruses - Specific information on viral families, genomes, taxonomy, and structure. Virus - Comprehensive information from Wikipedia on these sub-microscopic infectious agents that are unable to grow or reproduce outside a host cell. Bacteriophage - Information from Wikipedia on the viruses that infect bacteria, their classification, history, replication and uses. Are Viruses Alive? - Educational site that discusses what defines life and whether viruses fit into this definition. 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. 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. Epstein-Barr Virus: Infectious Mononucleosis - Research project by Michaela Weisser at the University of Wisconsin-LaCrosse. Tospoviruses - Viruses in the genus Tospovirus cause significant worldwide crop losses. Provides information on their biology, transmission, host range, symptoms, distribution and management strategies. Rabies Virus - Photographs and information on this virus that can be transmitted in saliva. Human rhinovirus - Student project with taxonomy, phylogeny, anatomy, physiology and human significance. ViralZone - Database of viruses. Information for each family includes molecular biology, taxonomic and host details, epidemiology and the UniProtKB/Swiss-Prot protein entries.