Merck & Co., Inc., known as MSD outside the United States and Canada, is a global healthcare company that delivers innovative health solutions through its prescription medicines, vaccines, biologic therapies, and animal health products. Founded in 1891, Merck is headquartered in Kenilworth, New Jersey. The company focuses on advancing research in areas such as oncology, infectious diseases, cardiometabolic disorders, and vaccines to address complex health challenges worldwide. Through continuous innovations, Merck aims to improve patient outcomes and expand access to healthcare solutions.