''Cossaviricota'' is a phylum of
virus
A virus is a submicroscopic infectious agent that replicates only inside the living Cell (biology), cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are ...
es. The phylum is named after Yvonne Cossart who discovered
Parvovirus B19
Parvovirus B19, also called B19 virus (B19V), Human parvovirus B19, or sometimes erythrovirus B19, is a human virus in the family ''Parvoviridae'', genus ''Erythroparvovirus''. It measures only 23–26 nm in diameter. The virus is assigned ...
, the causative pathogen of
fifth disease
Fifth disease, also known as erythema infectiosum and slapped cheek syndrome, is a common and contagious disease caused by infection with parvovirus B19. This virus was discovered in 1975 and can cause other diseases besides fifth disease. Fifth ...
.
Classes
The following classes are recognized:
* ''
Mouviricetes''
* ''
Papovaviricetes
''Papovaviricetes'' is a class of viruses. The class shares the name of an abolished family, ''Papovaviridae'', which was split in 1999 into the two families ''Papillomaviridae'' and ''Polyomaviridae''. The class was established in 2019 and takes ...
''
* ''
Quintoviricetes''
References
Viruses
{{Virus-stub