How does a vaccine work?
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Vaccination contains anti bacteria which help us to fight with the bacteria harmful to our body.
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When a disease carrying microbe enters a body the body produces antibodies to fight the invader . if dead or weekend microbes are introduced into a healthy body the body fights and kill see in wedding bacteria . The body also remembers how to find the microbe again . The antibodies remain in the body and we are protected . This is how a vaccine works . dead or weak and microbes are injected in the body and the body fights with them and the antibodies remember how to fight if the microbe enters again .
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