The Viruses The RNA Viruses The Positive Stranded ssRNA Viruses Family Picornaviridae Genus Enterovirus 1 Bovine enterovirus 2 Human enterovirus A 3 Human enterovirus B 4 Human enterovirus C 5 Human enterovirus D 6 Poliovirusᵀ 7 Porcine enterovirus A 8 Porcine enterovirus B 9 Simian enterovirus A