Question

how do vaccines work in our body

Answer 1

Vaccines prepare the body to fight various types of diseases caused by bacteria and viruses.Vaccines do not expose the body to disease symptoms. When foreign invaders such as  bacteria and viruses tries to enter the body immune cells called lymphocytes respond by giving out antibodies.This is how vaccines work in our body.

Answer 2

Vaccines prepare the body to fight disease without exposing it to disease symptoms is called vaccines .
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