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Vaccine Safety and Adverse Event Reports
Vaccines work best when most members of a community are vaccinated - the more people who are vaccinated, the lower the possible risk of anyone's exposure to vaccine-preventable diseases. Because vaccines must be safe for use by as many people as possible, vaccines are developed in accordance with the highest standards of safety. Years of testing are required by law before a vaccine is licensed and distributed. Once in use, vaccines are continually monitored for safety and efficacy. As a result, the United States currently has the safest, most effective vaccine supply in history.

However, as with any medical procedure, vaccination has some risks as well as substantial, proven benefits. Individuals react differently to vaccines, and there is no way to absolutely predict the reaction of a specific individual to a particular vaccine. Anyone who takes a vaccine should be fully informed about both the benefits and the risks of vaccination. Any questions or concerns should be discussed with a physician or other healthcare provider. More ...
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Featured Items
How to evaluate immunization information on the Internet
Today's media capabilities make readily available information that is not reviewed for scientific accuracy...more
Vaccines: A safe choice
The United States currently has the safest, most effective vaccine supply in history...more
Contraindiciations & Precautions: who should not be vaccinated
This guide is developed to help providers decide what common signs, symptoms, and conditions...more
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Quick Links
bullet More Vaccine Safety Topics
bullet Vaccine Safety & the Providers' Role
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Key Resources
National Vaccine Injury Compensation Program
Vaccine Adverse Event Reporting System (VAERS)
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