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How Vaccines Help (Video)
Vaccines keep millions of people healthy each year by preparing the body to fight illness. Learn how vaccines help and get answers to your biggest questions.
How Vaccines Help
Vaccines keep millions of people healthy each year by preparing the body to fight illness. Learn how vaccines help and get answers to your biggest questions about vaccines.
Medically reviewed by: KidsHealth Medical Experts
Note: All information is for educational purposes only. For specific medical advice,
diagnoses, and treatment, consult your doctor.
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