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Home Q & A Board Biology-Related Homework Help Medicine Immunology
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sarthaknitw sarthaknitw
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6 years ago
The reason that vaccines against influenza must be administered annually, unlike vaccines against measles, is _____.
 
  a. the antigens that stimulate protection against influenza virus are inside the virion and not on the surface
  b. influenza is an RNA virus with a higher mutation rate
  c. influenza stimulates T-independent responses that fail to generate memory cells
  d. the polysaccharide antigens of influenza stimulate poor immune responses.
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heyouheyou
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6 years ago
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sarthaknitw Author
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6 years ago
Thanks
Harvinder
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Yesterday
this is exactly what I needed
rene_ram97
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2 hours ago
Just got PERFECT on my quiz
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