[Answer] 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.

Answer: B
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…

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