小RNA病毒科( Picornaviridae) pico, a small unit of measurement [10-12 RNA, the type of nucleic acid that constitutes the viral genome 肠道病毒 Enteroviruses are transient 脊髓灰质炎病毒(13型) inhabitants of the human alimentary 柯萨奇病毒(A&B组) tract and may be isolated from the 埃可病毒 throat or lower intestine °新肠道病毒(EV68-78) 鼻病毒 Isolated chiefly from the nose and throat (Common cold viruses) 肝病毒 hepatitis A virus 副孤肠病毒 parechovurses types 1-6 口蹄疫病毒 foot-and-mouth disease viruses 心病毒 cardioviruses小RNA病毒科（Picornaviridae） pico, a small unit of measurement [10-12] RNA, the type of nucleic acid that constitutes the viral genome 肠道病毒 •脊髓灰质炎病毒（1-3型） •柯萨奇病毒（A&B组） •埃可病毒 •新肠道病毒（EV 68-78） Enteroviruses are transient inhabitants of the human alimentary tract and may be isolated from the throat or lower intestine. 鼻病毒 Isolated chiefly from the nose and throat. (Common cold viruses) 肝病毒 hepatitis A virus 副孤肠病毒 parechovurses types 1-6 口蹄疫病毒 foot-and-mouth disease viruses 心病毒 cardioviruses