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How do vaccines work? A. They activate your immune system so that it is fighting all the pathogens that are in the environment currently B. They expose the immune system to a weakened or dead version of
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How do vaccines work?

A. They activate your immune system so that it is fighting all the pathogens that are in the
environment currently
B. They expose the immune system to a weakened or dead version of a pathogen so that
the body can build a memory of the pathogen to fight future infections.
C. They help the body fight off all the strains of one particular virus
D. They kill viruses that are currently living in the body

User KCP
by
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1 Answer

5 votes

Answer:

B is the answer

Step-by-step explanation:

This is a correct description of how a vaccine works in the body.

User SpazzMarticus
by
5.1k points
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