Vaccines · Pharmacology

Which vaccine type uses a harmless virus to deliver genetic material encoding an antigen?

  1. Inactivated vaccine
  2. Vector-based vaccine
  3. Toxoid vaccine
  4. Polysaccharide vaccine
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Correct answer: Vector-based vaccine

Vector-based vaccines use a harmless viral vector to deliver genes encoding the target antigen. The host cells produce the antigen, stimulating immunity. Examples include adenoviral vector vaccines.

Difficulty: Medium Question 8 of 25

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