Vaccine and herd immunity (3 marks)

GCSE · Biology · Edexcel · CB5 — Health, disease and the development of medicines — communicable + non-communicable, immune system, vaccines, antibiotics

Question

Edexcel 1BI0 Paper 2

(a) Explain how a vaccine protects an individual from a specific disease. (2 marks)

(b) Explain what is meant by herd immunity and why it is important for unvaccinated individuals. (1 mark)

3 marks · take your time before peeking.

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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.