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GCSE Biology > B6 Vaccination > Flashcards

B6 Vaccination Flashcards

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1
Q

What is herd Immunity?

A

Resistance to the spread of an infectious disease within a population that is based on pre-existing immunity of a high proportion of individuals as a result of previous infection or vaccination

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2
Q

What are memory cells?

A

They’re produced during a specific immune response

Thay can stay in the blood for many years

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3
Q

What is a vaccination?

A

Injects an inactive pathogen into the body
Activate immune response, producing memory cells for storage
Dead pathogens are given with the same antigens as the normal pathogen

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GCSE Biology (14 decks)

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