iluvcowsfightme
iluvcowsfightme iluvcowsfightme
  • 13-03-2022
  • Biology
contestada

GIVING BRAINLIEST Why is it difficult to create a vaccine for the flu?

A. a failure to induce immune response

B. antigen shifting

C. a loss of immunity

D. antibody shifting

Respuesta :

bethrodarte1
bethrodarte1 bethrodarte1
  • 13-03-2022

Answer:

B. Antigen Shifting

Explanation:

Hope this helps:)

Answer Link

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