http://www.fda.gov/cber/faq.htm
Center for Biologics Evaluation and Research, U.S. Food and Drug Administration
This page answers frequently asked questions about the Center for Biologics Evaluation and Research (CBER), the Center within the Food and Drug Administration that regulates biological products for human use under applicable federal laws, including the Public Health Service Act and the Federal Food, Drug and Cosmetic Act. The page also links to frequently asked questions about biological products, including blood, tissue, and vaccines.