Merck company (English: Merck &; Company), which is called Merck Sharp &; Dohme (MSD) is an American pharmaceutical company and one of the largest pharmaceutical companies in the world. Merck is headquartered in Kenilworth, New Jersey, USA.

Merck was founded in 189 1 and is a subsidiary of Merck (founded in 1668). During World War I, Merck was acquired by the American government and later became an independent American company. In 2009, Merck and Schering-Plough merged. Merck is the seventh largest pharmaceutical company in the world in terms of market value and revenue.

Merck has about 83,000 employees worldwide (as of 20 12, 12, 3 1). Its 20 12 revenue was $47.3 billion, and its R&D expenditure in the same year was $865438+68 million.

vaccine

The vaccines with important medical value developed by Merck include the first mumps vaccine, the first rubella vaccine and live attenuated measles, mumps and rubella vaccine (MMR, Merkang? ), the vaccine was developed by a team led by Maurice Hillemann, a scientist from Merck. In the United States, the probability of rubella-related birth defects dropped from the original 1 10,000 cases per year to no new cases per year after the vaccine went on the market.

Hillemann's team also developed the first hepatitis B vaccine, as well as the varicella vaccine. 1989, Merck transferred the recombinant yeast hepatitis B vaccine technology to China, and set up production plants in Beijing and Shenzhen in 1993.