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toxoids
artificial active immune response: tricked our body
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vaccines
- weakened microorganism prevents the person from contracting the disease
- live= lifelong immunity
- killed= partial, need booster shots when titers are low
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active immunization
- body exposed to antigen - remembers it - antibodies
- BCG, Dtap, Tdap
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no varicella within
6 weeks of asprin
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naturally acquired passive immunity
from mother's placenta and breast milk
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active immunization
prevents infection by bacterial toxins/virus
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passive immunity
- antitoxins, antivenins, immunoglobulins
- minimize effects of venoms of spiders, and snakes
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