what is meant by vaccination
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Vaccinations can help protect your child from serious diseases caused by germs. Vaccinations are also called vaccines, immunizations, needles, or shots. Vaccinations work by boosting the immune system's ability to fight certain infections.
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Vaccination is the administration of a vaccine to help the immune system develop protection from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism.
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