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Doctors use vaccines to protect us against bacterial and viral diseases
How do vaccines work?
Small amounts of dead pathogen are put into your body, often by injection.
The antigens in the vaccine stimulate your white blood cells into making antibodies. They destroy the antigens without any risk of you picking up the disease.
you are immune to future infections by the pathogen. This is because your body can respond rapidly and make correct antibody as if you already had the disease.
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