Explain the meaning of vacationation
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Explanation:
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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A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease - causing microorganisms and is often made from weakened or killed forms of the microbe . The treatment with a vaccine to produce immunity against these diseases is know as vaccination.
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