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HIV takes over the CD4 cell
- HIV now takes control, inserting its own codes into the command
center so that the reprogrammed CD4 cell will make new virus.
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CD4 cell becomes an
HIV factory
- The infected CD4 cell is now an HIV factory, pumping out new
viral parts.
- A third enzyme, called "protease," cuts out and assembles
the new viral parts into new copies of the virus.
- New copies of the virus leave the cell ready to seek out more
and more CD4 cells to invade.
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Overview: HIV infects a healthy CD4 cell
- Once inside a CD4 cell, HIV uses three special
enzymes to make copies of itself -- reverse transcriptase, integrase,
and protease.
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