g9abbyskuLatelyn g9abbyskuLatelyn
  • 19-02-2017
  • Biology
contestada

How does a vaccine work?
a. it kills viruses
b. it protects cells from viral infection
c. it prepares the immune system to recognize viruses
d. it prevents viruses from being transmitted from an infected person

Respuesta :

willmyers willmyers
  • 19-02-2017
The answer to this question is C
Answer Link

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