B) how does a vaccine change the body

Question

Biology

Alexandra

30 June, 23:23

B) how does a vaccine change the body

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Answers (2)

Know the Answer?

Marisol Jones · Answer 1

A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria.

Isabell Mitchell · Answer 2

A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.