what is vaccinations?
NikhitaAVS:
it's a serum taken by dead or weak microbes and to our body to warn our WBC that these microbes r dangerous
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treatment with a vaccine to produce immunity against a disease; inoculation.
"vaccination against yellow fever is essential"
"vaccination against yellow fever is essential"
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Vaccination is the administration of antigenic material (a vaccine) to stimulate an individual's immune system to develop adaptive immunity to a pathogen. Vaccines can prevent or ameliorate infectious disease. When a sufficiently large percentage of a population has been vaccinated, herd immunity results.
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