Video Segment |07:40

Video Segment |07:40

This video segment introduces the flu virus. Also covered are the causes, symptoms, and vaccines for the flu virus.

©2004 | CC| Grade(s)

Related Topics

  • antibodies
  • antigen
  • B-Cells
  • bacteria
  • disease
  • flu
  • flu vaccine
  • fungi
  • immune response
  • immune system
  • lymphocyte

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