Merck & Co. is a global healthcare company with 125 years of history. Striving to make a difference in people lives worldwide, they discover and produce innovative medicines, vaccines and animal health care products. Known as Merck in the US and Canada, everywhere else the company is known as MSD. Today, as a prominent research-intensive biopharmaceutical company, Merck is concentrated on achieving scientific improvements in the treatment of HIV, Hepatitis C, immuno-oncology and diabetes.