Vaccination (AQA A-Level Biology): Flashcards

Capacity to resist infection

External antibodies, immediate, temporary, no memory cells

Own antibodies, creates memory cells, longer-lasting

Introducing disease antigens into body

Enable rapid immune response to future infections

High vaccination rates protect unvaccinated by reducing transmission

Rapid pathogen mutation changing surface antigens

Influenza virus needs annual vaccine updates

Babies, young children, immunocompromised can't have some

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