MALIK99 MALIK99
  • 25-05-2016
  • Biology
contestada

the flu vaccine last a short time because the flu virus

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Tallie2006 Tallie2006
  • 31-05-2016
The flu virus mutates is why the flu vaccine lasts a short time.
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Ricesaurus
Ricesaurus Ricesaurus
  • 22-11-2020

Answer:Normally because the flu virus doesn't last very long because your body is very used to the flu.

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