Mealey's (December 7, 2020, 1:48 PM EST) -- WASHINGTON, D.C. — The U.S. Supreme Court on Dec. 7 denied a petition for certiorari by a parent of an autistic adult child who claims that the U.S. Department of Health and Human Services and Merck & Co. Inc. covered up evidence that the mercury-containing thimerosal preservative in a measles-mumps-rubella (MMR) vaccine caused autism (Jane Doe, et al. v. Merck & Co., Inc., et al., No. 20-451, U.S. Sup.)....