Headquartered in Whitehouse Station, New Jersey, the company was confiscated by the United States government during World War I. Since then, it was established as an American business and is now known as one of the producers of the world’s most potent vaccines and antibacterials. Merck is attributed as the developer of the first vaccine for rubella and mumps. Several products produced by the company made its first in the pharmaceutical industry and has made groundbreaking advancements in the field of medicine.
Merck is also the publisher of The Merck Manuals, a series of medical reference books that is used by medical professionals. The business is publicly traded on the New York Stock Exchange and is a component of the S&P 500 Index.