Merck & Co., Inc. is a global healthcare company that develops and markets prescription medicines, vaccines, and animal-health products. The company serves patients, healthcare providers, and customers in markets around the world, with research and commercial operations spanning multiple geographic regions.
Its pharmaceutical portfolio includes oncology, infectious-disease, cardiovascular, immunology, and other therapeutic areas. Key products include Keytruda, an oncology treatment; Gardasil, a human papillomavirus (HPV) vaccine; Januvia and Janumet for type 2 diabetes; Bridion for anesthesia-related use; and Winrevair for pulmonary arterial hypertension. Merck also operates an animal-health business that provides veterinary pharmaceuticals, vaccines, and health-management solutions for livestock and companion animals.
Founded in 1891, Merck & Co. is headquartered in Rahway, New Jersey. It is a separate company from Merck KGaA, the Germany-based healthcare and life-sciences company. Robert M. Davis has served as Merck & Co.’s chairman and chief executive officer since 2021.
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