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PLEASE HELPP!!
Which of the following most accurately describes the function of a vaccine?

A
A vaccine benefits a person who has just begun to show signs of an infection by providing them with antibodies from someone who has already had the illness.

B
A vaccine exposes a person to the subpart, or antigen, of a pathogen, resulting in the production of the appropriate antibody that protects against future infection.

C
A vaccine helps control the symptoms of a particular infection, while the body’s natural immune response fights to neutralize the pathogens causing the infection.

D
A vaccine is used to disinfect an area where a patient with an infectious illness was treated or recovering to prevent the spread of that illness to other people.


Sagot :

Answer:

B

Explanation:

A vaccine exposes a person to a dead or weakened version of a pathogen which results in the production of the appropriate antibody that protects against future infection.