Explain the response initiated when a dose of vaccine is introduced into human body
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Vaccination may be defined as the protection of the body from communicable diseases by the administration of some agents that mimic the antigen/microbe. The agent can be a suspension of killed or attenuated microbes, or a substance that mimics the disease-causing microbes/ antigens. So our body produces antibodies against these microbes/ antigens which are introduced in the form of a vaccine. These antibodies fight against antigens or germs and make a memory of these in the immune cells. These memory cells help in eliminating the antigen the next time it attacks the person.
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