Vaccination gives long-term immunity because

  1. antibodies last forever
  2. memory cells are produced
  3. the pathogen stays in the body
  4. it gives passive immunity
Answer

B) memory cells are produced

Memory cells respond quickly to later infection. O Level Biology · Topic 12 Disease and Immunity · 12.3 Immunity

Biology MCQ · More O Level Biology: Disease and Immunity MCQs · Practise