From Wikipedia, the free encyclopedia.
Picornaviruses are viruses that belong to the family Picornaviridae. The name picornavirus means small RNA virus. Picornaviruses are non-enveloped, positive-stranded RNA viruses with an icosahedral capsid.
The family Picornaviridae includes rhinoviruses (which cause the common cold), poliovirus, and foot-and-mouth disease virus.
See also: virus classification

