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- Dictionaryvaccination/ˌvaksɪˈneɪʃn/
noun
- 1. treatment with a vaccine to produce immunity against a disease: "vaccination against yellow fever is essential"
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- Vaccination
Vaccination is the administration of a vaccine to help the immune system develop immunity from a disease. Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease. When a sufficiently large percentage of a population has been vaccinated, ... Wikipedia
