CAIE IGCSE Biology 10.1.11 Process of Vaccination a Weakened Questions

Vaccination introduces weakened pathogens or their antigens, leading to antibody production and long-term memory.

Exam points

state that vaccination introduces weakened pathogens or their antigens into the body
explain that vaccine antigens stimulate lymphocytes to produce antibodies
state that memory cells are produced and give long-term immunity

[Maximum number: 1]

Cholera is a transmissible disease.

A study was designed to test the effectiveness of a cholera vaccine in an area where outbreaks of cholera occur frequently.

The doctors gave some people in this area the new vaccine.

Suggest what the cholera vaccine must contain to be effective.

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CAIE IGCSE Biology 10.1.11 Process of Vaccination a Weakened Questions question 1