about us
We are the same company with different names.
We are known as Merck & Co., Inc., Rahway, NJ, USA in the United States, Canada, Puerto Rico, and worldwide as MSD.
Mission: Health for all
We want to make our medicines and vaccines accessible to everyone - and thus make an important contribution to global health care. In doing so, we rely on two pillars: researching, developing, producing and selling medicines and vaccines as well as tireless efforts to improve healthcare systems worldwide.