Question

what is vaccination​

Answer 1

Vaccines are like a training course for the immune system. They prepare the body to fight disease without exposing it to disease symptoms. When foreign invaders such as bacteria or viruses enter the body, immune cells called lymphocytes respond by producing antibodies, which are protein molecules.

Answer 2

vaccination is the introduction of any kind of dead or weakened germs into the body of a living being to develop immunity against the respective diseases.

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