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Description
Picornaviruses are a group of related nonenveloped RNA viruses which infect vertebrates including fish, mammals, and birds. They are viruses that represent a large family of small, positive-sense, single-stranded RNA viruses with a 30 nm icosahedral capsid. The viruses in this family can cause a range of diseases including the common cold, poliomyelitis, meningitis, hepatitis, and paralysis.
Picornaviruses constitute the family Picornaviridae , order Picornavirales , and realm Riboviria. There are 158 species in this family, assigned to 68 genera. Notable examples are genera Enterovirus (including Rhinovirus and Poliovirus ), Aphthovirus , Cardiovirus , and Hepatovirus.
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