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Keyword response4 marksGrade 6 to 8Biology · Infection and response
Keyword response: write a full-sentence answer
A student says: "After vaccination, your body remembers the pathogen forever." Explain how vaccination creates immune memory and whether this statement is accurate. [4 marks]
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Vaccination introduces dead or inactive pathogen antigens that trigger an immune response
Memory lymphocytes are produced that remain in the body
Memory cells can last for many years, giving long-term protection
Immunity can wane, so boosters are needed and "forever" is not always accurate
0 of 4 so far
Model answer. Vaccination introduces dead or inactive antigens, so memory lymphocytes are made and stay in the body for years. Immunity can wane, which is why some vaccines need boosters, so "forever" is not quite right.

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