How does SAR-COV-2 kill cells?

In order to understand how my product will treat SAR-COV-2, we must understand how SAR-COV-2 infects and destroys cells.
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The S-spike protein on the SAR-COV-2 virus binds to the ACE-2 receptor on a cell.
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Once bound it allows for the virus to be engulfed and endocytosed into the cell in endosomes (vacuoles).
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Once inside the cell, the virus releases its viral RNA (+ssRNA)(positive single-stranded RNA) into the cytoplasm of the cell.
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The viral RNA (+ssRNA) can then do two things:
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Use the host cells ribosomes and undergo translation to make proteins.
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Use an enzyme call RNA dependent RNA polymerase (RNA-D-RNApol) to make more viral RNA (+ssRNA) stands.
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The polyproteins are then converted into the specific components of the SAR-COV-2 virus (Spike Proteins) through proteinases (enzymes)
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Then the structures of the virus-cell and the viral RNA copies combine to make more viruses.