Biology · Human Health and Diseases
What is the primary mechanism by which a conventional vaccine provides protection against a specific pathogen?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The vaccine directly destroys all future pathogens entering the body.
- 2The immune system encounters a weakened or inactive form of the pathogen and develops immunity.✓
- 3The body always develops a severe illness for a short duration to build immunity.
- 4The body immediately produces a physical barrier that prevents the virus from entering.
Correct answer
The immune system encounters a weakened or inactive form of the pathogen and develops immunity.
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