How can Viruses make me ill?

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How can Viruses make me ill?

Viruses make us ill by infecting cells in our body. They hijack these cells' machinery so that the cell makes lots of new viruses. These new viruses then spread throughout our body and infect more cells to create more new viruses and so on. Because the cell is busy making new viruses it cannot perform its normal function in our body. This is why we feel ill. Often a cell that is infected by a virus will eventually die. See the 'Notes on Medical Microbiology' publication for more information. We also feel ill because of our body's response to infection. See the Immune System section for more details.

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Date of Posting: 09/01/2003
Date of next Review: 13/01/2005

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MeSH keywords:
Viruses; Infection

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