West nile virus belongs to the family flaviviridae 西尼罗河病毒是属于黄病毒科的其中一种。
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Hcv are a group of single - stranded rna viruses that belong to the flaviviridae family and hepavirus . all hcvs possess a positive - sense rna genome of approximately 9600 nucleotides Hcv为有囊膜的单股正链rna病毒，属黄病毒科肝炎病毒属。
