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VIRUSES

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  • can be divided into three stages—entry, genome replication, and exit
  • Entry involves attachment, penetration, uncoating
  • gene expression and viral genome replication.
  • Virion assembly and the release from the cell �

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The life cycle of virus. The virus life cycle could be divided into six steps: attachment, penetration, uncoating, gene expression and replication, assembly, and release. �

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  • EMBRYONATED EGGS
  • Laboratory animals
  • TISSUE CULTURE SYSTEM

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EMBRYONATED EGGS

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