Vaccines are Safe
Be Informed and Know the Facts
The United States has a long-standing vaccine safety program that ensures that vaccines are as safe as possible. As new information becomes available, the vaccine safety system is updated and improved to stay current with the newest scientific knowledge. Present statistics show that the current U.S. vaccine supply is the safest in history.
The Journey of Your Child's Vaccine
This video describes the journey of a vaccine for children from development through post-licensure monitoring. Learn about the three phases of clinical trials, vaccine licensing and manufacturing, how a vaccine is added to the U.S. Recommended Immunization Schedule, and how FDA and CDC monitor vaccine safety after the public begin using the vaccine.