The information contained in our Frequently Asked Questions section of this website is for educational purposes only. It is not intended to be medical or legal advice. Those seeking medical or legal advice should obtain the services of a competent attorney, physician or qualified health care professional. The National Vaccine Information Center encourages all visitors to this website to gather additional information on diseases and vaccines and consult one or more trusted health care professionals before making a vaccination or other health care decision. Click any topic below to learn more.