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A 13% nationwide decline? |
HIV attaches to a receptor and slips its RNA into the cell. | |
Viral RNA copies itself in DNA. | |
Viral DNA enters host genes; cell makes more viral RNA. | |
New viral proteins cut to size before leaving. |
  | HIV nix? It's not just the new protease inhibitors. Now we know how the virus invades cells. The Why Files examines how medicine can -- or could -- attack each step in the viral life cycle. [Posted Mar. 20, 1997] |
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1996: end of the beginning for the AIDS epidemic? |
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Immune system cell illustration © George Eade, Eade Creative Services, Inc. |
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