virus
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Alphapithovirus Sibericum | Taxon | 2 | 0.0 |
| Alphapithovirus | Taxon | 25 | 0.0 |
| Alphapartitivirus | Taxon | 2 | 0.0 |
| Alphanucleorhabdovirus | Taxon | 1 | 0.1 |
| Alphanecrovirus | Taxon | 3 | 0.1 |
| Alphainfluenzavirus | Taxon | 4 | 2.3 |
| Alphaflexiviridae | Taxon | 5 | 0.3 |
| Alphaendornavirus | Taxon | 1 | 0.0 |
| Alphacoronavirus 1 | Taxon | 7 | 0.1 |
| Alphacoronavirus | Taxon | 16 | 3.2 |
| Alphachrysovirus | Taxon | 2 | 0.0 |
| Alphacedratvirus | Taxon | 4 | 0.0 |
| Alphacarmovirus | Taxon | 1 | 0.0 |
| Alloherpesviridae | Taxon | 5 | 0.0 |
| Allexivirus | Taxon | 3 | 0.1 |
| Algavirales | Taxon | 2 | 0.0 |
| Alfamovirus | Taxon | 4 | 0.8 |
| Albetovirus | Taxon | 4 | 0.0 |
| Adénocarcinome Nasal Enzootique des Ovins | Taxon | 5 | 0.0 |
| Adenoviridae | Taxon | 59 | 66.7 |
| Ackermannviridae | Taxon | 5 | 0.0 |