Biology for IGCSE & O level - Diseases And Immunity (Section 1 - No. 11)
What is the purpose of vaccination?
To directly kill pathogens.
To provide immediate immunity against a disease.
To stimulate the production of antibodies and memory cells.
To cause the disease in a mild form.
Explanation
Vaccines expose the body to a weakened or inactive form of a pathogen, triggering an immune response that prepares the body for future encounters.
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