Virus-Host DB organizes data about the relationships between viruses and their hosts, represented in the form of pairs of NCBI taxonomy IDs for viruses and their hosts. Virus-Host DB covers viruses with complete genomes stored in 1) NCBI/RefSeq and 2) GenBank whose accession numbers are listed in EBI Genomes. The host information is collected from RefSeq, GenBank (in free text format), UniProt, ViralZone, and manually curated with additional information obtained by literature surveys.

Selected viral families
Adenoviridae Papillomaviridae Herpesviridae
Baculoviridae Poxviridae Parvoviridae
Retroviridae Reoviridae Picornaviridae
Flaviviridae Caliciviridae Coronaviridae
Bunyaviridae Orthomyxoviridae Paramyxoviridae
Annotated virusesLast Update: January 22, 2018
Viral classificationHost classification
dsRNA325 Bacteria 6
Eukaryota320
Archaea 0
Viruses 0
Unassigned/Other0
dsDNA3616 Bacteria 2530
Eukaryota1000
Archaea 77
Viruses 1
Unassigned/Other13
ssRNA2824 Bacteria 19
Eukaryota2673
Archaea 0
Viruses 1
Unassigned/Other132
ssDNA1332 Bacteria 121
Eukaryota1098
Archaea 1
Viruses 1
Unassigned/Other112
Retrovirus227 Bacteria 0
Eukaryota209
Archaea 0
Viruses 0
Unassigned/Other18
Satellite virus and Virophage282 Bacteria 0
Eukaryota236
Archaea 0
Viruses 36
Unassigned/Other38
Viroid66 Bacteria 0
Eukaryota59
Archaea 0
Viruses 0
Unassigned/Other7
Other1380 Bacteria 70
Eukaryota1178
Archaea 18
Viruses 2
Unassigned/Other112
RefSeq
GenBank
Viral entries
12561
Source of host information (No. of entries)
RefSeq + GenBank UniProt Viral Zone Manual annotation Total
8514 1602 198 2584 12334