Question

how do vaccines work​

Answer 1

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$<font color="pink"><i>$After you have been vaccinated, some of the cells that are responsible for protecting you against disease — your B lymphocytes — detect the antigens in the vaccine. The B lymphocytes will react as if the real infectious organism was invading your body.

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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$<font color="red"><b>$$<marquee>$Thanks✊..

Answer 2

Answer:Vaccine contain dead cells of disease causing organism which when enters the body our immune system recognises it and prepare antibiotics against. Since they are dead cells they don't harm our body. Our body remembers the cells and antibiotic prepared which at later stage is used when same type of cell enters our body.

Basically vaccines are meant for voruses