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Q1. What is a vaccine
Q2. What are the advantages of receiving a booster vaccine?
Q3. What is the aim of vaccination programs?
Q4. Explain the term ‘herd immunity’
Q5. State the advantages of herd immunity
Q6. In the design of a vaccine, what feature prevents virus-like particles from infecting cells and causing disease?
Q7. Outline the events that lead to the development of an autoimmune disease
Q8. Explain the relationship between an allergen, mast cells and histamines