Question

how do vaccines work​

Answer 1

Answer:

hey mate here is your answer :

Vaccines containing these weakened or killed germs are introduced into your body, usually by injection. Your immune system reacts to the vaccinein a similar way that it would if it were being invaded by the disease — by making antibodies.

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Answer 2

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.

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