Parvovirus B19 (Fifth Disease)
The Parvoviridae family includes the smallest known viruses, and some of the most environmentally resistant. They were discovered during the 1960s and affect vertebrates and insects. Parvoviridae have a genome consisting of single-stranded DNA and an icosahedral capsid.
Parvovirus B19 was the first human parvovirus to be discovered and is best known for causing a childhood exanthem called "fifth disease" (erythema infectiosum), although it is also associated with other diseases including arthritis.
Parvovirus RA-1 had originally also been associated with rheumatoid arthritis, but this is now thought to have been an error due to laboratory contamination.
The following genera are included here:
Subfamily Parvovirinae
- Genus Parvovirus; type species: Murine minute virus
- Genus Erythrovirus; type species: B19 virus
- Genus Dependovirus; type species: Adeno-associated virus 2
- Genus Amdovirus; type species: Aleutian mink disease virus
- Genus Bocavirus; type species: Bovine parvovirus
Subfamily Densovirinae
- Genus Densovirus; type species: Junonia coenia densovirus|Junonia coenia densovirus
- Genus Iteravirus; type species: Bombyx mori densovirus|Bombyx mori densovirus
- Genus Brevidensovirus; type species: Aedes aegypti densovirus|Aedes aegypti densovirus
- Genus Pefudensovirus; type species: Periplanta fuliginosa densovirus|Periplanta fuliginosa densovirus