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Antigenic Drift or Genetic Drift

Our immune system are able to distinguish viruses when antigens on the surfaces of virus particles bind to immune receptors that are meant for these antigens.Similarly as a lock recognizing a key. After an infection, the body produces many more of these virus-specific immune receptors, which prevent re-infection by this particular strain of the virus and produce acquired immunity.

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Channels: Cell Biology

Tags: Antigenic Drift flu immunology garland science garlandscience

Uploaded by: ( Send Message ) on 08-04-2010. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 0m 47s

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