itstheliar itstheliar
  • 10-12-2020
  • Biology
contestada

How a vaccine promotes immunity?
answer in your own words​

Respuesta :

nadiK
nadiK nadiK
  • 10-12-2020

Answer:

Because the vaccine is an antigen from living, weakened or killed microorganisms that activate the immune system and the body produces protective antibodies.

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