Which component found in viruses enables the development of effective vaccines?

Microbiology MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Microbiologymedical-mcqs › microbiology
Published
26 Jul 2019
Last updated
28 May 2026

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Explanation

Viruses possess a protein coat called a capsid, which is recognized by the immune system and serves as a target for vaccine development. This protein coat allows vaccines to stimulate immunity effectively. Other components like enzymes, polysaccharides, or lipids do not provide the same consistent target for vaccine design.

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