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PASSIVE IMMUNITY
· When you get antibodies from someone else,
YOUR IMMUNE SYSTEM ISN'T INVOLVED
· NATURAL: Antibodies PASSED FROM MOTHER
TO BABY through the blood across the
placenta or through breast milk.
· ARTIFICIAL: When you're affected with
antibodies FROM SOMEONE ELSE e.g.: from
blood donations.…read more

Slide 3

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VACCINES
· HERD: When EVERYONE in a population is
vaccinated
· RING: When people living in NEARBY AREAS
are VACCINATED so that it doesn't spread
· Contain ANTIGENS that make your body
PRODUCE ANTIBODIES AND MEMORY CELLS
without suffering any symptoms
· Antigens may be free of attached to dead or
attenuated pathogens
· Booster vaccines may be given every few
years to make sure memory cells remain in
the blood.…read more

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