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The family containing the virus of serum hepatitis is

  • A.Hepadnaviridae
  • B.Picornaviridae
  • C.Flaviviridae
  • D.Caliciviridae

Answer: A

The hepadnaviruses are enveloped viruses with a small circular, partially double-stranded DNA genome of about 3.2 kilobases. Their use of reverse transcription during replication is unusual for a DNA virus and is why some antiretroviral drugs are active against them.

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