Which type of immunity develops when a child receives a vaccine and produces the relevant antibodies and memory cells?

Correct answer: B. Artificial active immunity

  • A. Natural passive immunity
  • B. Artificial active immunity
  • C. Natural active immunity
  • D. Artificial passive immunity

Explanation

Vaccination gives artificial active immunity because the antigen stimulates the child’s own immune system. Passive immunity provides ready-made antibodies and does not usually create long-term immune memory.

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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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