Question

Which of the following is not a content of a vaccine?

• A. Dead pathogens
• B. Living, weakened microorganisms
• C. Toxoids
• D. Antibiotics

Answer 1

The correct option is D

Antibiotics

The correct option is D.

Explanation of correct option:

1. Antibiotics are chemicals that are capable of killing as well as inhibiting the growth of bacteria.
2. Antibiotics are not used as a vaccine.

Explanation of incorrect options:

Option A:

1. Infection of dead pathogens is used to develop active immunity in humans.

Option B:

1. Living, weakened microorganisms are injected into the body to develop active immunity.

Option C:

1. Toxoids are inactive toxic substances extracted from bacteria, but useful for the development of antibodies.

Final answer: Antibiotics are not the content of vaccine.