| 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. |
| Index of Viruses: Database of virus names, acronyms, hosts, and nucleic acids. |
| International Committee on Taxonomy of Viruses: Taxonomy of viruses, including electron microscopy pictures, and family descriptions. |
| Principles of Virus Architecture: Information regarding virus structures, images, and the use of stain to identify them. |
| The Big Picture Book of Viruses: Specific information on viral families, genomes, taxonomy, and structure. |
| The Influenze Sequence Database: Database of virus information including nucleotide sequences. |
| Virus Databases Online: Catalogue of virus databases on the web. |
| Viruses - From Structure to Biology: Introduction and historical timeline of viral research. |