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13 cards from this deck
Protects against disease before infection occurs
Large proportion immunised reduces pathogen spread
Much quicker than primary infection
First infection
Dead or inactivated form of pathogen
WBCs produce antibodies complementary to antigens
Smallpox
Rubella
Through herd immunity
Lots of cases in an area
Not always effective in providing immunity
Bad reactions like fevers (very rare)
None - antibodies produced quickly
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