This section on vaccine science explains how vaccines work and how vaccines are made in a manner that is easily understood by those without a scientific background.
This section also contains information about scientists who spent their lives helping us to better understand or defend against vaccine-preventable diseases. Visit In Memoriam to learn more.
Reviewed by: Paul A. Offit, MD
Date: April 2013
Materials in this section are updated as new information and vaccines become available. The Vaccine Education Center staff regularly reviews materials for accuracy.You should not consider the information in this site to be specific, professional medical advice for your personal health or for your family's personal health. You should not use it to replace any relationship with a physician or other qualified healthcare professional. For medical concerns, including decisions about vaccinations, medications and other treatments, you should always consult your physician or, in serious cases, seek immediate assistance from emergency personnel.