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nasty-shy [4]
3 years ago
11

Explain why the contents of the vaccine usually do not cause people get sick

Biology
1 answer:
Alina [70]3 years ago
8 0
My Answer: <span>All vaccines create immunity by introducing a substance that triggers the body's immune system to react and produce antibodies, but not all vaccines are the same. Some are made with live viruses or bacteria that have been greatly weakened. Others are made with bacteria or viruses that have been killed. And still others use only specific parts of the bacteria or viruses to stimulate the body's defenses.

Hope I helped! :D</span>
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