Merck & Co. is a global health care company that delivers health solutions through its prescription medicines, vaccines, biologic therapies and animal health products. Co.'s reportable segments are: the Pharmaceutical and Animal Health. The Pharmaceutical segment includes human health pharmaceutical and vaccine products. The Animal Health segment discovers, develops, manufactures and markets a range of veterinary pharmaceuticals, vaccines and health management solutions and services, as well as a suite of digitally connected identification, traceability and monitoring products.