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Vaccination

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. The effectiveness of vaccination has been widely studied and verified. Vaccination is the most effective method of preventing infectious diseases;Sources:

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Jimmy Kimmel hilariously brings doctors together who give a message to those who support the anti-vaccination movement

Contributed by Kelli Niemeier

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