Some studies confirm that vaccines may cause autism and other serious ailments in susceptible children. Is MMR safe? Do shots contain mercury? Health authorities deny an autism link to vaccines. Congress recently held several hearings to investigate the causes of, and cures for, this growing epidemic. The testimony hints at a medical coverup. This book chronicles Congressional efforts to expose the truth, summarizes vaccine studies on both sides of the debate, and provides parents with crucial data to make informed decisions.