Common Ingredients in FDA-Approved Vaccines
Vaccines to prevent infectious diseases are given to millions of babies, children, adolescents and adults and it is critical that they are demonstrated to be safe and effective. FDA requires that vaccines undergo a rigorous and extensive development program in the laboratory, as well as in animal studies and human clinical trials, to determine their safety and effectiveness. Highly trained FDA scientists and physicians thoroughly evaluate the information in a marketing application and make a determination whether to license (approve) a vaccine before it can be used in the United States. Prior to approval, as part of FDA’s evaluation, FDA takes all of the ingredients of a vaccine into account. After FDA approves a vaccine, FDA continuously monitors its safety. Multilayer Cell Factory System Why is aluminum in some vaccines? Aluminum salts are incorporated into some vaccine formulations as an adjuvant. An adjuvant is a substance added to some vaccines to enhance th...