This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology Pa-2 (RNA Virus Pa-1,2 & Miscellaneous Viruses), Subject name: Microbiology
[{'content': 'Which of the following is not included in Picorna group of viruses? \nSelect and explain. \nA. Rhinovirus, B. HEV, C. HAV, D. Poliovirus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: HEV is not included in Picorna group of viruses. It belongs to Family Caliciviridae. Rhinovirus, HAV and Polio virus belong to the Family Picornaviridae. Characteristics of the Family Picornaviridae: Very small ( pico: measuring small; rna: RNA virus) RNA viruses. The genome consists of a single linear molecule of single-stranded RNA. The family Picornaviridae consists of following genera: Enterovirus: disease in humans. Rhinovirus: disease in humans. Hepatovirus: disease in humans. Apthovirus Cardiovirus Ahrovirus and Cardiovirus : cause foot-and-mouth disease in cattle and meningoencephalomyelitis in mice.', 'role': 'assistant'}]