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Immunisation - Coggle Diagram
Immunisation
Herd Immunity
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Non-immune individuals are protected as there is a lower probability they will come into contact with an infectious person
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Difficulties when mass vaccination is not possible (poverty) or vaccines are rejected by percentage of the population
Vaccines
Immunity can be developed by vaccination from infectious pathogens, so creating memory cells
Vaccines contain antigens from specific infectious pathogens - antigens are dead, inactive, weakened or parts of
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