Which vaccine type contains selected antigenic parts of a microorganism rather than the whole organism?
Correct answer: C. Subunit vaccine
- A. Live attenuated vaccine
- B. Inactivated whole-cell vaccine
- C. Subunit vaccine
- D. Toxoid vaccine
Explanation
A subunit vaccine contains purified components, such as proteins or polysaccharides, that stimulate immunity. A toxoid contains an inactivated toxin, while live and inactivated vaccines involve the whole microorganism.
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About Immunisation and EPI
Immunisation covers active and passive immunity, vaccine types, routine childhood schedules under Pakistan’s Expanded Programme on Immunization, administration routes and age-based timing. It also includes cold-chain maintenance, contraindications, adverse events following immunisation, missed doses and the distinction between vaccine protection and treatment of an established infection.
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