Multiple Choice
Which of the following statements correctly describes vaccines and how they help prevent viral infection?
A) Vaccines are active versions of a virus that stimulate an immune reaction in a person.
B) Vaccines are inactive versions of a virus that stimulate an immune reaction in a person.
C) Vaccines are infectious proteins that stimulate an immune reaction in a person.
D) Vaccines are infectious enzymes that stimulate an immune reaction in a person.
Correct Answer:
Verified
Correct Answer:
Verified
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