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Live Attenuated Vaccines, INACTIVATED VACXIN, involving physicians…
Live Attenuated Vaccines
DEFINITION
Live vaccines use a weakened (or attenuated) form of the germ that causes a disease. Because these vaccines are so similar to the natural infection that they help prevent, they create a strong and long-lasting immune response
HOW TO CREATE
2nd way
laboratory, purifying the vaccination solution, and
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PROS AND CONS
PROS
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create a stronger immunity to disease than
inactivated vaccines because the attenuated
virus triggers a strong response of lymphocytes,
which causes the body to produce more memory
T and B cells that circulate in the blood and fight against the virus if it ever appears in the body again
CONS
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When a vaccine’s virus is
alive, it can, on rare occasions, mutate back to its
original, virulent form and cause a true infection
INACTIVATED VACXIN
PROS AND CONS
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CONS
inactivated vaccines deliver a much weaker immune system
=>require several additional doses, known as boosters, to ensure that an individual’s immune system is able to fight off the actual infection
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DEFINITION
Inactivated vaccines are composed of dead, or inactivated, viruses and bacteria, and therefore differ from live but attenuated vaccines.
HOW TO CREATE
Scientists use chemicals, heat,
or radiation to render a pathogenic virus harmless,
or “fixed
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