Merck is in a lawsuit for falsifying the efficacy data of the MMR.
https://www.reuters.com/article/health-vaccine/merck-accused-of-stonewalling-in-mumps-vaccine-antitrust-lawsuit-idUSL1N0YQ0W820150604
Good thing Merck would never lie!
https://www.cbsnews.com/news/merck-created-hit-list-to-destroy-neutralize-or-discredit-dissenting-doctors/