MRNA Vaccines, Once a Trump Boast, Now Face Attacks From Some in GOP Republicans have proposed legislation in several states to ban the pioneering technology used in covid shots. Many doctors worry a huge medical advance could be rolled back. Previous article: How the FDA Opens the Door to Additives in America’s Food Supply Prev Next article: She Co-Founded the Office That Became DOGE. Now, She Sees ‘Irresponsible Transformation.’ Next